Answer:
The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype. Variant copies of a gene are called alleles, and an individual's genotype is the sum of all the alleles inherited from the parents.
Explanation:
Answer: polygenic
Explanation:
In people-eaters, purple is dominant to white. A true-breeding white mutant is mated with a different true-breeding white mutant. All of the F1 are purple. When the purple F1 offspring mate with each other, their offspring occur in the ratio of 9 purple : 7 white. Which phenomenon explains the purple F1 offspring
Answer:
The correct answer is - Complementation.
Explanation:
In this pattern of inheritance, there are two same type mutants that are crossed that are true-breeding white with another true-breeding white mutant. Let these mutants are CCpp and the other be ccPP.
All the f1 offspring produced are found to be purple in color as offspring will be CcPp. The products of both gene C and P required for the purple pigment to be expressed these genes complement each other and the absence of any of gene results in lack of the dominant phenotype.
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Which of the following are examples of discontinuous variation? (select all that apply)
Answer:
what answer choices are there?
Explanation:
person's blood group or the color of a species of bird is what i think
Answer:
Hindi KO alam putang ina
Need an answer before 1:59 tonight. Therefore, they could have existed on earth and fueled chemical evolution. In your own words describe this concept.
9. Which nucleus has role in conjugation in Paramecium
a) Mega nucleus
b) Micronucleus
c) Macronucleus
d) Cellular nucleus
( b ) Micronucleus has role in conjugation in paramecium.
The organism's germ line genetic material is kept in the micronucleus. It is in charge of the genetic rearrangement that takes place during conjugation and generates the macronucleus (cross-fertilization). Thus option B is correct.
What Micronucleus role in conjugation in Paramecium?The pairing and subsequent fusion of two paramecia is a process known as conjugation. It is known as a cytoplasmic bridge where they converge. After meiosis, the diploid micronucleus divides into four new micronuclei. The micronuclei of the cell, all except one, break down.
This method doesn't include meiosis or nuclear fusion. It manifests in a single person in the manner described below: Macronucleus deteriorates and vanishes. Eight nuclei are produced after the two micronuclei divide twice through mitosis.
Therefore, Micronucleus has a role in conjugation in Paramecium.
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A woman and her baby are on a TV talk show to determine whether or not a particular man is the father of the child. Mom is blood type O and the baby is blood type B. The potential dad is blood type A. Is it true or false that he is the father?
Answer:
No that is not the father
Explanation:
The fathers blood would have to be type B. Type A is dominate to O and co-dominate to B so you get AB blood, type B blood is dominate to O blood. So if the mom has to be OO to show O blood and the father has to be AA blood because he isn't AB or AO, which could make the baby AO or OO blood. Since none of this is true the "TRUE" father would have to have AB, BB, or Bo blood.
Give two reasons of the modification of stem of a plant in different forms,
Which best describes how biotechnology may affect energy consumption?
A.It may make us use our natural resource more quickly
B.It may help to increase our use of fossil fuels
C.it may help to increase the generation of alternative fuels
D.It may negatively impact our energy consumption,
Answer:
How many patients had allergies or ear infections, but not both?
24
27
36 answer
40
Explanation:
B
Pls help with this it really easy also don’t worry about the dot I didn’t mean to press it
Answer:
I think B, some bone ailments are congenital
Answer:
The second one
Explanation:
These structures allow sperm cells to move through the style:
A long, thin tube called the pollen tube develops from the pollen grain once it touches the flower's stigma this pollen tube allows sperm cells of plants to move through the style. So, the answer is Pollen tube.
When a female gametophyte undergoes double fertilization, male gametes or the sperm cells are transported to the female gametophyte via pollen tube, which results in the production of the seed.
Two sperm cells are found in the pollen tube, which grows along the flower's style until it reaches the ovule. After that, the sperm cells go through the pollen tube to fertilize the ovule's egg cell.
Therefore, pollen tube is the structure that allow sperm cells to move through the style.
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The given question is incomplete, the complete question is:
"The structure allow sperm cells of plant to move through the style:"
Other than enzymes, what else can be used to separate the DNA strands?
Answer:
The enzyme responsible for separating the two strands of DNA in a helix so that they can be copied during DNA replication.Explanation:
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This type of soil is found in warm, humid climates.
pedocal
laterite
pedalfer
humus
Answer:
laterite
Explanation:
Laterite soil is found in warm, humid climates. So, the correct option is B.
What do you mean by Climate?Climate may be defined as the description of the long-term pattern of weather in a particular area.
Laterite soil is found in the soil layer which is rich in iron oxide and derived from a wide variety of rocks weathering under strongly oxidizing and leaching conditions.
Therefore, Laterite soil is found in warm, humid climates.
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difference between annual and biennial plants
Answer:
Annual plant is a plant which life cycle is only one year. the whole plant could also die in a year. in contrast, biennial plant is a plant which life cycle is 2 years. the first tear will germinate and grow and its second year it will bloom and eventually die.
what is gene gun method and microinjection
Answer:
The gene gun method is a method used for genetically modifying plants. With the use of a gene gun, the gene gun method delivers extra DNA directly into a plant's nucleus. The method is also commonly called particle acceleration or microprojectile bombardment.
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Each fragment generated during the cycle sequence reaction is labeled with:
A. All four colors of fluorescent dye throughout the length of the fragment
B. All four colors of fluorescent dyes at one end of the fragment
C. One color of fluorescent dye at one end of the fragment
D. One color of fluorescent dye throughout the length of the fragment
Answer:
C
Explanation:
In cycle sequencing technique, four distinctive fluorescently named dideoxyNTPs are utilized ( ddATP, ddGTP, ddCTP and ddTTP) notwithstanding ordinary dNTPs. each ddNTP marked with an alternate fluorescent color. Toward the finish of the experiment, the outcome yields various pieces of variable lengths each resulting in a solitary terminal fluorescent ddNTP towards the end.
Which of the following lists three popular chuck cuts?
short ribs, pot roast, prime rib
O pot roast, prime rib, blade steak
O prime rib, blade steak, short ribs
blade steak, short ribs, pot roast
NEED HELP NOW I NEED TO BE DONE BY THE WEEKEND!!!
Answer:
tbh pot roast, prime rib and blade steak are your best options
Short ribs, pot roast, prime rib are three popular chuck cuts. Therefore, option (A) is correct.
What is chuck cut?Chuck is a cut of beef that is taken from the shoulder and neck area of the cow. It is a relatively inexpensive cut that is known for its rich, beefy flavor and can be prepared in a variety of ways. The chuck is composed of several different muscles, each with its unique characteristics and tenderness.
Some popular chuck cuts include:
Pot Roast: A boneless cut taken from the shoulder, it is perfect for slow-cooking methods such as braising or stewing.
Short Ribs: These are taken from the rib section of the chuck and are known for their meaty and flavorful taste. They can be grilled, braised or slow-cooked.
Blade Steak: Also known as flat iron steak, it is a cut taken from the shoulder blade. It has a rich, beefy flavor and can be cooked in a variety of ways, including grilling, broiling, and pan-frying.
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What is a basic function of a cell
Answer:
The answer is below
Explanation:
They provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction.
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Which of the following occurs first in meiosis?
1. Homologous chromosomes line up in the center of the cell.
2. Chromosomes line up in the middle of each cell.
3. Crossing over between segments of homologous chromosomes.
4. Chromosomes are pulled to opposite poles of the cell.
Answer:
Crossing over between segments of homologous chromosomes.
Explanation:
Crossing over happens during prophase I of meiosis I
Evaluate the examples and select those that do not show artificial selection.
A. White rabbits have a low survival rate in nature, because it is easy for predators to spot them.
B. Penguins with higher body fat tend to survive nesting in the Antarctic winter, while leaner penguins often die.
C. A gene for disease resistance in fir trees is transferred to pine trees using modern DNA technology, allowing farmers to maximize pine tree growth.
D. Because big game hunters sought elephants for ivory, often poaching those with the biggest tusks, more African elephants today naturally lack tusks compared to the elephant populations 100 years ago.
E. In subsaharan Africa, genetically modified grass varieties that carry genes for disease and drought resistance are now available to farmers, providing more sustainable food sources for their livestock.
What is the important function of sweating
Answer:
Sweating helps cool down the body. Water is released through glands in the skin, evaporates off the skin and the body is cooled. During exercise, muscles heat up more, so more sweat is needed.
Explanation:
Which of the following is not a normal body response to heat?
Select one:
a. dilation of peripheral blood vessels
b. increased sweating
C. decreased rate of muscle activity
d. increased retention of blood in the core region
e. increased water loss
Answer:
c. decrease rate of muscle activity
How does a single fertilized egg cell develop into so many
different types of specialized cells?
Answer:
it hatches and the baby comes out
* Apply Concepts A particular plants diploid number of chromosomes is 50. Describe the number of chromosomes in one of the plant's cells during its sporophyte phase and during its gametophyte phase,
Chromosomes have hereditary function that are capable of self-duplication and they have thread-like structures seen inside the nucleus of plant and animal. In plants, they go through a cycle called alteration of generation that has multicellular stages. One is sporophyte that is a diploid, and the other is gametophyte with a haploid.
Moreover, spores are produce through meiosis so it go through a process of chromosome reduction in order to create a haploid spores. While, gametes undergo mitosis and the structure is already a haploid, which means that the number of chromosomes will not change in order to produce haploid. In this case, the plant have both spores and gametes and the similarities is that, they are both singles celled and a haploid. Therefore, the number of the chromosome in the gametophyte generation is also 32.
Glycolysis yields Choose... molecules of ATP, while the electron transport chain yields Choose.. molecules of ATP due to the presence of oxygen.
Answer:
Glycolysis yields 2 molecules of ATP, while the electron transport chain yields 32 molecules of ATP due to the presence of oxygen.
Explanation:
Glycolysis yields 2 molecules of ATP, while the electron transport chain yields 32 molecules of ATP due to the presence of oxygen.
What is electron transport chain?An electron transport chain is a collection of protein complexes and other molecules that associate protons across a membrane with the transfer of electrons from electron donors to electron acceptors via redox processes. Both photosynthesis and cellular respiration take place in mitochondria.
An organic metabolite (an intermediary in metabolic reactions) reacts with the coenzyme NAD+ to begin the electron transport cycle (nicotinamide adenine dinucleotide). In this oxidation reaction, the organic metabolite loses two hydrogen atoms (or two hydrogen ions and two electrons).
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HELP ME PLEASE PLEASE PLEASE 20 POINTS AND BRAINLIEST
Answer:
ITS A(the endiplasmin reticulum)
Explanation:
Why is the regulation of a cell important?
Explanation:
The cell cycle is the most important process in the growth of an organism.
Explanation:
Cell cycle is the fundamental process by which a cell matures, synthesises DNA and divides to form daughter cells. Somatic cells divide regularly.
All multicellular organisms use cell division for growth, maintenance and repair of cells and tissues. Unicellular organisms use this process to reproduce.
Cell cycle affects our daily lives. Most cancers are a result of inappropriate cell division arising due to aberrations in normal cell cycle regulation. Stem cell biology and regulation in growth of organs also involves extensive study of cell cycle.
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What is a swell wave?
Answer:
Swell are waves (usually with smooth tops) that have moved beyond the area where they were generated. The distance between the crests, or tops, of the waves that make up swell is usually much greater than the distance between waves being actively generated by wind blowing over the water.
Explanation:
Question 11 of 20 What fact do scientists believe provides evidence for the Big Bang Theory? A. All stars feature nuclear fusion in their core. B. Most extra-solar planets are gas giants C. All comets follow elliptical orbits. D. All distant galaxies are moving away from us.
A set of 23 chromosomes in a human cell
contains 3.2 billion pairs of DNA bases in
sequence. On average, about how many pairs
of bases are in each chromosome?
Explanation:
The human genome contains approximately 3 billion of these base pairs, which reside in the 23 pairs of chromosomes within the nucleus of all our cells. Each chromosome contains hundreds to thousands of genes, which carry the instructions for making proteins.The human genome contains approximately 3 billion of these base pairs, which reside in the 23 pairs of chromosomes within the nucleus of all our cells. Each chromosome contains hundreds to thousands of genes, which carry the instructions for making proteins.
What is chromosome ?
A chromosome is a thread-like structure present in the nucleus of cells such as plant, animal and human cells and it is made of a molecule of DNA (Deoxyribonucleic acid) and histone proteins.
It is composed of three components, DNA, proteins and RNA, amount of the DNA content ranges from 30 to 40 %, the amount of proteins from 50 to 65%, and small amount of RNA from 1 to 10%.
Two types of protein present in DNA such as histone and non-histones proteins, histone constitute large amount (90% of total protein), whereas non-histone is present in small amount (around 10% of total protein).
The histone protein is basic, whereas, the DNA is acidic, so it can be neutralized; DNA in chromosome is present in two forms such as Euchromatin and Heterochromatin.
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11. The following graph shows the results of an experiment done by four different
groups. Each group took a rubber band and recorded how far it stretched as
they added weights to it. What is the independent (test) variable in this
experiment?
Group 1
Group 2
Group 3 Group 4
stretch
weight
I
A) The distance the rubber band stretched
B) The number of weights added to the rubber band
C) The different types of rubber bands
D) The same type of rubber bands
Mitosis and meiosis are similar processes. Which BEST describes what can only occur after meiosis?
A.Parent cells can be either haploid or diploid.
B.Products of cell division result in identical genotypes.
C.Four daughter cells are produced by a single parent cell.
D.The number of chromosomes per nucleus remains the same after division.
Answer:
C.Four daughter cells are produced by a single parent cell.