I NEEEDDD HELP PLEASE

I NEEEDDD HELP PLEASE

Answers

Answer 1

Answer:

the second answer choice

25% red, 50% pink, and 25% white

Explanation:

construct a punnett square with the genotype RW and cross them to get genotypes of RR, RW, RW, and WW.

RR is red and occurs once so that is a 25% chance (1/4)

RW is pink and it occurs twice so that is 50% (2/4)

WW is white which occurs once and it is another 25% (1/4)

Answer 2
25%
A red flowered Snapdragon(RR) is crossed to white flowered Snapdragon(rr). The F1 individuals are Pink flowered(Rr). When F1 individuals are self crossed, in the F2 generation, 1 plant with red flowers(RR-25%), 2 plants with pink flowers(Rr-50%), 1 plant is with white flowers(rr-25%) are formed. The phenotypic ratio is 1:2:1 and genotypic ration is 1:2:1.
So, the correct option is ‘25%’.

Related Questions

Can somebody please answer this quickly?

Answers

hi i think the answers is b i’m sorry if i’m wrong :(

Answer:

I think it would be C, that is the only one that makes sense to me. Hope i can help

Explanation:

How are these atoms used to make new molecules and what types of molecules are made? Where does the energy come from to produce these new molecules?

Answers

Answer:

Atoms used energy to make new molecules.

Explanation:

Atoms used energy to make new molecules through making bonds with one another because bonds allow atoms to attached tightly with each other. The energy come from the external environment in order to produce new molecules. So we can conclude that energy is the main ingredient needed for making new molecules and this energy is gained from the environment.

Answer:

I would like to help, but what are the new molecules they are producing? And what are the atoms the question is talking about?

List and describe the six common morphologies

Answers

Explanation:

The basic morphologies are spheres (coccus) and round-ended cylinders (bacillus). But there may be others such as helically twisted cylinders (spirochetes), cylinders curved in one plane (selenomonads) and unusual morphologies (such as the square, flat box-shaped cells of the archaean genus Haloquadratum).

To produce a valid test, the survey questions do not have to relate to the subject of the study?

Answers

False, it has to be related to the subject study.

A student graphed distance versus time for an object that moves 14 m every 2 seconds. What is the slope of the ling on the graph. Please explain!

Answers

Answer:

A slope of 7, representing a speed 7 m/s.

Explanation:

Speed is defined as the distance traveled over time. Mathematically, it's calculated with the equation:

[tex]speed = \frac{distance}{time}[/tex]

Slope of a graph is the rate at which the y and x axis change together, the "rise over the run." Slope can be simply calculated using this equation:

[tex]slope = \frac{x_{2} - x_{1}}{y_{2} - y_{1}}[/tex]

Therefore, when graphing distance versus time, the change in distance is divided by the change in time to find the slope. This is the same as speed.

A farmer uses genetic engineering to inject dairy cows with a genetically altered hormone (GAH) to result in the production of more milk. What might be a risk of using this technology to produce milk?
A.
Use of the GAH may increase the availability of milk.
B.
Use of the GAH may increase the amount of hormones in the milk.
C.
Use of the GAH may provide extra milk to feed the poor.
D.
Use of the GAH may allow the farmer to reduce milk prices.

Answers

Answer:

B

Explanation:

A farmer uses genetic engineering to inject dairy cows with a genetically altered hormone (GAH) to result in the production of more milk, and the use of the GAH may increase the amount of hormones in the milk, which is a risk that is present in Option B.

What is a genetically altered hormone(GAH)?

The GAHs that are used in dairy farming can result in an increase in the levels of hormones such as insulin-like growth factor 1 (IGF-1) in the milk, and these hormones can be harmful to human health and are also associated with an increased risk of certain cancers, such as breast cancer and In addition to concerns about the health effects of GAHs, there are also environmental concerns. The increased milk production resulting from GAH use can lead to overproduction, and animals get harmed by these genetically altered hormones.

Hence, the use of the GAH may increase the amount of hormones in the milk, which is a risk that is present in Option B.

Learn more about the genetically altered hormone here.

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At the site of a wound, platelets release chemicals that start a chain reaction to produce _____. A. Hemoglobin. B. Fibrin. C. Lymph. D. Plasma

Answers

Answer:

C

Explanation:

Which best describes the flow of genetic information?
A. Protein to DNA to RNA
B. DNA to RNA to protein
C. RNA to DNA to protein
D. Protein to RNA to DNA

Answers

DNA to RNA to proteins

Answer:

B DNA to RNA to protein

Explanation:

i just did it

PLEASE HELP ME FILL IN THE BLANKS ASAP!!!!!!!!!!!!!! GIVING AWAY 18 POINTS!!

Answers

1. D. Marine

2. A. Desert

3. E. Freshwater

4. C. Grassland

5. B. Tundra

If there is a #6, then the answer would be F. Tropical rainforest

Are there ways you can help reduce the use of nonrenewable resources? If so, how?PLEASEEEEEEEEEEEEEEE HELPPPPPPOPO MEEEEEEEEEEE PLEASEEEE

Answers

Answer:

The three R's – Reduce, Reuse and Recycle – represent the best strategy for conserving non-renewable oil, coal and natural gas. ... Increasing the reliance on renewable energy sources, such as solar, wind and geothermal generators, can also help conserve the dwindling supplies of fossil fuels that remain in the ground.

Explanation:

can someone pls help me with this

Answers

Answer:

t= log2(2048)

The logarithm is the inverse function to exponentiation. That means the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised, to produce that number x. In this case:

[tex] {t}^{2} = 2048[/tex]

[tex]t = \sqrt{2048} = 45.3h[/tex]

Which statement is true regarding nuclear power plants

Answers

I’d say the first option. “The disposal of radioactive wastes is an intended benefit.”
I’m sorry it it isn’t correct.

As the skin ages, it loses its ability to restore its shape due to a:

decrease in collagen.

decrease in hormones.

decrease in keratin.

decrease in elastin.

Answers

Answer:

The answer is decrease in elastin

Answer:

D

Explanation:

EDGE2021

Help meeeeee, WILL GIVE BRAINLIESTTT. NEEED DONEEE

Answers

the picture is black

The organism used in bread making is?
(a) Yeast
(b) Aspergillus
(c) Mushroom
(d) Rhizobium​

Answers

Answer:

Yeast is used in bread making

The answer is yeast !

Los procesos de respiración aerobia celular y fotosíntesis, procesos considerados indispensables para la vida en la tierra, de los que es correcto afirmar que Son de carácter antagónico, es decir el cloroplasto ejecuta reacciones anabólicas y la mitocondria catabólicas. La respiración celular sólo la realizan los seres eucariotas del reino de los vegetales. Ambos son realizados por los seres considerados eucariotas. Ambos son realizados por eucariotas pertenecientes al reino de los vegetales

Answers

Respuesta:

Las opciones correctas son: a) son de carácter antagónico, es decir el cloroplasto ejecuta reacciones anabólicas y la mitocondria catabólicas; y d) ambos son realizados por eucariotas pertenecientes al reino de los vegetales.

Explicación:

La fotosíntesis y la respiración celular son procesos de carácter antagónico porque la fotosíntesis es anabólica y la respiración celular es catabólica. La fotosíntesis consiste en la producción de moléculas complejas a partir de moléculas simples (proceso anabólico), mientras que en la respiración celular se degradan moléculas complejas y se las convierte en moléculas más simples (proceso catabólico).

Ambos procesos son realizados por los eucariotas del reino de los vegetales, pero los eucariotas del reino animal sólo realizan respiración celular, ya que no tienen cloroplastos. Esta diferencia tan importante existe porque los animales pueden moverse para conseguir comida (heterótrofos), mientras que los vegetales necesitan producir sus propios nutrientes haciendo uso de la fotosíntesis (autótrofos). Más allá de esta diversidad, todos los eucariotas realizan respiración celular para producir energía en forma de ATP.

Every copy of a particular protein manufactured by a cell shows the same incorrect amino acid at the same point in its structure. According to the central dogma of molecular biology, in which structure does this error originate?
1. mRNA
2. DNA
3. tRNA
4. rRNA

Answers

Answer:

Dna

Explanation:

I had this on a test and this was the answer

According to the central dogma of molecular biology, DNA does this error originate.

What are the functions of DNA?

Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.

DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins.

DNA is made of nucleotides. A nucleotide has two components: a backbone, made from the sugar deoxyribose and phosphate groups, and nitrogenous bases.

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structure that helps move bacteria is called a

Answers

Explanation:

Flagella - Flagella (singular, flagellum) are hairlike structures that provide a means of locomotion for those bacteria that have them. They can be found at either or both ends of a bacterium or all over its surface.

Image B depicts three skulls. Do you think the image supports the fact that all three organisms share an evolutionary relationship? Explain your answer using evidence from the image.

Answers

Answer:  This is a series of skulls and front leg fossils of organisms believed to be ... 3. What is the biggest change in leg anatomy that occurred from the dawn ... Shown below are images of the skeletal structure of the front limbs of 6 animals: human,

Explanation: i think

PLEASE HELP ASAP

In patients infected with nonresistant strains of the tuberculosis bacterium, antibiotics can relieve symptoms in a few weeks. However, it takes much longer to halt the infection, and patients may discontinue treatment while bacteria are still present. How could this result in the evolution of drug-resistant pathogens?

The bacteria are still present and may obtain antibiotic resistance to spread to other species by horizontal gene transfer.

Antibiotics have become diluted and weak because of a limited supply.

Bacteria have purposefully directed their immune system to resist the effect of the antibiotic.

Resistant bacteria are polyploidy and can resist the antibiotic, a trait that is passed on to their offspring.

Answers

Answer:

The bacteria are still present and may obtain antibiotic resistance to spread to other species by horizontal gene transfer.

True or false Men can be carriers of X-linked disorders?

Answers

True, X-linked disorders often are carried in males.

Answer:

True.

Explanation:

X-linked recessive diseases most often occur in males. Males have only one X chromosome.

HOPED THIS HELPED!!

PLS HELP ASAP 50 POINTS!!
Select the homologous structures.

a. human arm
b. whale's flipper
c. bird's wing
d. cat's leg

Answers

Answer:

Flipper of a whale and bird's wing are homologous structures.

For more better explanation see below.

Explanation:

Flipper of Whale is homologus to the wing of a bird. Homologous organs - The structure which are similar in their morphology, anatomy, genetics and embryology, but dissimilar  in their functions.  

Flipper of whale and wing of bird has similar morphology and anatomy, but differ in their functions according to their species as  well as the habitat where they live in.

A dolphin’s flipper, bird’s wing, cat’s leg, and the human arm are considered homologous structures. Whereas human beings have bones such as the humerus, ulna, radius, wrist bones, and fingers, these features appear as similar bones in form in the other animals. Bats, whales, and many other animals have very similar homologous structures, demonstrating that these creatures all had a common ancestor.

PLEASE MARK ME BRAINLIEST.

Answer:

Human arm and cats leg

Explanation:

Please Help!! I need it :)

Answers

I think it's endoplasmic reticulum:)

which of the following most accurately describes the function of a vaccine​

Answers

Answer:

to protect you from getting an effaction

to protect you from getting from infection by pathogen is  accurately describes the function of a vaccine​

what are the types of vaccine ?

A vaccine can be defined as a biological preparation which provide an active acquired immunity to a specific infectious and transmissible disease.

A vaccine consist of an agent that has a similarity to the disease-causing microbe. Inactivated Vaccine are formed by inactivating a pathogen by applying heat or chemicals such as formaldehyde or formalin, it destroys the pathogen’s ability to replicate.

Attenuated vaccines are formed from different ways like passing the disease-causing virus through a series of cell cultures or animal embryos.

Toxoid Vaccine can be made by inactivating the toxin released from bacteria that causes disease symptoms, the organisms or viruses used in inactivated vaccines which can be done via treatment with a chemical such as formalin.

Subunit Vaccine use a part of a target pathogen to provoke a response from our immune system, which can be done by isolating a specific protein from a pathogen.

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Heart is slightly tilted towards right. Give reason.​

Answers

Answer:

The heart is slightly tilted towards the left side because of the larger size of the right lung than left lung. This provides enough space for the heart to work properly and pump blood efficiently to different parts of the body. ... heart is tilted towards left not towards right

Answer:

I thought it was more tilted to the left because the right lung is bigger than the left

Explanation:

Pluto travels around the sun in which zone of the solar system?

Answers

I think it’s the 2nd zone cus i copied and pasted your question and it said Kuiper’s belt was the 2nd.

The Cell TheoryThe smallest living things are one-celled or ____+_______________Large organisms contain millions of cells. They are many-celled or _________________ ____________________________.All of the organism's life functions are carried out by cells or parts of cells.Cells develop from other living cells – not from nonliving matter.

Answers

Answer:

unicellular; multicellular

Explanation:

The smallest and the most basic unit of life is the cell. Living organisms that are made of just one cell are said to be unicellular while those that are made up of multiple cells are said to be multicellular. Many unicellular organisms are some of the smallest living organisms to exist in nature. They cannot be seen with the ordinary eyes, except with the aid of microscopes.

What causes stomach cramps?​

Answers

Answer:

the main causes are, infection,abdominal growth,inflammation,obstruction blockages

Explanation:

“Stomach cramps” is a general term that refers to sharp, intermittent contractions or feelings of pain or discomfort that occur anywhere in the abdomen between the lower chest and the pelvis or groin. The abdomen consists of many organs, including the stomach, intestines, liver, gallbladder, pancreas, esophagus, and numerous blood vessels.

Stomach cramps are a common symptom of a wide variety of mild to serious diseases, disorders and conditions that are often related to the abdominal organs and sometimes the pelvic organs, such as the uterus and bladder. Most people will experience stomach cramps at some point during their lifetime, and they can occur in any age group or population. Common causes of stomach cramps include indigestion, gastroenteritis, menstrual cramps, bladder infection, and excessive flatulence (gas).

Stomach cramps may be generalized, which means they occur throughout the abdomen. Stomach cramps may also be localized in a small area of the belly, such as the lower abdomen or pelvis near the groin, or in the upper abdomen where the stomach is located.

Depending on the cause, stomach cramps can last for a few minutes or hours, such as when they occur from indigestion due to eating rich food or from vigorous exercise. Stomach cramps can also last for a few days, such as when they are due to a menstrual period. Long-term stomach cramping may be continuous or occur periodically and may be due to more serious conditions, such as colorectal cancer.

In some cases, stomach cramps may be caused by serious conditions, such as food poisoning or colorectal cancer. Seek prompt medical care if your stomach cramps are unexplained, persistent, or cause you concern.

Stomach cramps may accompany other symptoms, which vary depending on the underlying disease, disorder or condition. If you have other symptoms along with stomach cramps, be sure to inform your health care provider. This information will help your doctor diagnose the reason for your stomach cramps.

( I hope this was helpful ) >;D

CAN SOMEONE HELP ME PLEASE!! 100 POINTS!!! NO COPYING AND PASTING!!!! IN 4 PARAGRAPHS PLEASE!!!

How are Earth's structures created over time?

Answers

Answer:

Earth crust is constantly changing primarily due to plate tectonics (plate motion), but it also changes from activity on the surface from river, man made and meteorite impact. ... Continents and oceans do not ride atop the plates without changing. As the plates move and change so do the continents and oceans

Answer:

Explanation:

Earth's structures were created when the planet was first formed. Over time, its own gravitational and magnetic forces drove the Earth's core rotation.  Other geological activities affected its structures; such as glacial movements, tectonic plates collisions and submersion, volcanic eruptions and so on. There were also major external events the asteroid impact that killed most lives on Earth. Human activities' impact on Earth's structures were relatively small until the recent centuries.

Urgent !! Pls help!
why can an increase in glycon phosphorlase activity might result in an increase in o2 consumption in the cell

Answers

Answer:

The liver senses the concentration of glucose in the blood and takes up or releases glucose accordingly. The amount of liver phosphorylase a decreases rapidly when glucose is infused. After a lag period, the amount of glycogen synthase a increases, which results in the synthesis of glycogen.

Explanation:

Answer:

In muscle tissue, the ratio of phosphorylase a to phosphorylase b determines the rate of conversion of glycogen to gluco...

In muscle tissue, the ratio of phosphorylase a to phosphorylase b determines the rate of conversion of glycogen to glucose 1-phosphate. Classify how each event affects the rate of glycogen breakdown in isolated muscle tissue.

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