Answer:
c
Explanation:
they each contain a gene from their father, their mother, and themselves, since they are both blue there will be 2 blue genes, 1 black and 1 white
A cross between a white rooster and a black hen results in 100% blue offspring, so when two of these blue offspring are mated, the result is 1:2:1, which is option c, as 1 is white, 2 are blue, and 1 is black.
What is the significance of the genetic crossing?Due to incomplete dominance, genetic crossing occurs between two animals, such as one black hen and one white rooster, and the offspring are blue. When these two heterozygous blue birds cross, a total of four hens and roosters offspring are formed: 1 is black, 1 is white, and 2 are blue and this genetic crossing can also increase genetic diversity within a population due to meiosis.
Hence, a cross between a white rooster and a black hen results in 100% blue offspring, so when two of these blue offspring are mated, the result is 1:2:1, which is option c, as 1 is white, 2 are blue, and 1 is black.
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What height in meters must the student climb in order to reach the top of the hill?
Answer: 256 or 300 sorry if i was incorrect
Explanation:
The student must reach the top of the hill, and this is entirely dependent on the hill's elevation, which varies from one area to the next and is not constant in any particular area.
What is the significance of the hill in the ecosystem?The hill is the highest point on Earth and plays an important role in ecosystems because it can provide a variety of different habitats for plants and animals as well as act as barriers that separate different ecosystems, such as the forest ecosystem present on one side of the hill from the grassland ecosystem present on the other side of the hill, and it is also a depositary of minerals and other resources.
Hence, the student must reach the top of the hill, and this is entirely dependent on the hill's elevation, which varies from one area to the next and is not constant in any particular area.
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If the diploid number of an onion cell is 16, what is its haploid number?
Answer:
8
Explanation:
The haploid number is always half of the diploid number so half of 16 is 8
Andrea divided a group of a species of insect she found in her backyard into two groups based on antenna size. The insects with short antennae produced offspring with short antennae. The insects with long antennae produced offspring with long antennae and short antennae. Which of the following statements is most likely true?
A
The gene for short antennae is recessive and the gene for long antennae is dominant.
B
Length of antennae is random.
C
The gene for short antennae is dominant and the gene for long antennae is recessive.
D
Length of antennae is not a hereditary characteristic.
Answer:
......mm..............
Most of the cells of the human body contain two sets of 23
chromosomes. Where did these chromosomes come from?
a- both sets came from the mother
b- both sets came from the father
c- a random number of chromosomes came from each parent
e-one set came from each parent
Answer:
e-one set came from each parent
Explanation:
Heather presented to her class a report about the pancreas. Which statement in Heather’s report was not accurate?
Answer:
C. The pancreas triggers the development of secondary sex characteristics.
Explanation:
y e s
1. Tell me if this is true or false. If it is false tell me why. "Cereal grains are an excellent
source of complex proteins."
Answer:
True
Explanation:
The most common cereal grains that are used is wheat, rice, oats, and corn. WHich can all be high in a protein called prolamins, including vitamin D&E, fiber, iron, and other nutrients.
A cell going through meiosis changes as it divides. Which process is most important for producing
haploid cells?
Group of answer choices
independent assortment
reduction division
synthesis
crossing over
Answer:
Reduction DivisionExplanation:
Reduction division is the process that is most important for producing haploid cells during meiosis. Therefore, option (B) is correct.
What is meiosis?Meiosis is a type of cell division that occurs in sexually reproducing organisms. It involves two successive divisions (meiosis I and meiosis II) that result in the production of four daughter cells, each with half the number of chromosomes as the parent cell. This reduction in chromosome number is known as "reduction division."
Reduction division is important because it ensures that the daughter cells produced by meiosis have the correct number of chromosomes. In organisms that have a diploid number of chromosomes (such as humans, which have 46 chromosomes), the daughter cells produced by meiosis have a haploid number of chromosomes (23 chromosomes). These haploid cells can then combine with other haploid cells during fertilization to form a new diploid organism.
Independent assortment, synthesis, and crossing over are also important processes that occur during meiosis, but they do not directly produce haploid cells. Independent assortment refers to the random distribution of chromosomes to daughter cells during meiosis I. Synthesis is the process of DNA replication, which occurs prior to meiosis. Crossing over is a process that occurs during meiosis I in which chromosomes exchange genetic material, leading to genetic diversity in the daughter cells.
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How did the arrival of the green bacteria likely affect the survival of purple bacteria?
Answer:
Have a wonderful day and I hope this is helpful?
What is the most plentiful gas in our current atmosphere on earth?
A) oxygen
B) helium
C) hydrogen
D) nitrogen
Answer:
D) Nitrogen..............
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
I-cell wall
III-chloroplast
IV-vacuole
three structures specific to the plant cell
HEEEEEELP. PLEASEEEEEEEEEEEEE
there you go ^^
hope i helped
When we hear the word bacteria, we probably think of disease transmission or illness. But bacteria provide many
health benefits to humans. All BUT ONE is a health benefit of bacteria today in the world of medicine.
A)
production of vaccines
B)
genetic engineering to produce insulin
fixing atmospheric nitrogen into a usable form
D)
probiotic added to food and vitamin supplements
Answer:
A is the correct option
Explanation:
In the pharmaceutical industry, bacteria are used to produce antibiotics, vaccines, and medically-useful enzymes.
ILL GIVE BRANILIST PLEASE HELP
What do chemotherapy and radiation have in common?
a. Both affect healthy cells in addition to cancer cells
b. Both use drugs
c. Both use high-energy waves
d. Both affect only cancer cells
Answer:
I’m not sure if both do the rest but A. is right so ig A.
what is a reproductive strategy?
Answer:
c
Explanation:
Explain, in detail, the difference between a population and a community
I WILL MARK BRAINLIEST PLEASE HELP!
Explain the effect of activity on a heart rate
Trees that lose their leaves during winter are called
A. Deciduous
B. Fern
C. Herbacious
D. Woody
E. Evergreen
Answer:
a. deciduous
Explanation:
hope this helps :) have a great day.
Tigers running across the field. what would happen if the hydrogen ion pumps in the Tigers mitochondria stopped functioning?
Answer: A
Explanation:the tiger would not be able to keep running
Does diffusion require energy??!! (:
Answer:
no
Explanation:
i requires some form of ATP
20. Scientists have discovered that there has been a reduction in the butterfly population in an ecosystem. After much
research, they have identified that the carrying capacity for butterflies has been decreased. If the scientists want to increase
the butterfly population, which action should they recommend?
A. removing primary producers
B. spraying of insecticides
C. increasing runoff
D. planting flowers
Answer:
i think the answer is planting flowers
Explanation:
this will allow more butterflies to have food.
Answer:
hello again
Explanation:
HELP PLS
1st to answer gets brainliest
Why do plants need a transport system?
Why should substances be moved in plants?
Which are the substances that need to be moved?
How does a transport system in a plant function?
Where is food or sugar made in plants?
How do sugar molecules move to different parts of a plant?
Answer:
The transport of food is necessary because every part of a plant needs food for:
Energy
Building its parts
Maintaining its life
Explanation:
HELPP PLEASE THIS IS VERY IMPORTANTT: Scientists on a space shuttle mission studying plant growth would probably see that the plants on the space shuttle do not grow in the same direction and pattern as those on Earth. Scientists working in space would MOST LIKELY be studying the effects of which of the following stimuli on plant growth?
A) gravity
B) oxygen
C) radiation
D) temperature
1.- How does photosynthesis contribute to the survival of humans?
2.- Explain the effect cyanobacteria had on the early atmosphere of Earth and the evolution of life?
3.- Suppose chromosomes in skin cells are damaged by ultraviolet radiation. If the damaged gene does not affect the cell cycle, do you think the cell will become cancerous?
4.- How is mitosis involved in the healing of a wound?
5.- How is the cell cycle-related to the growth and maintenance of an organism?
6.- What role does differentiation play in the cell cycle?
7.- Explain the connection between the cell cycle and cancer development?
8.- Must the cell cycle always proceed in the same direction, or is it possible for the cell cycle to proceed in the opposite direction? Explain your reasoning.
9.- Explain how crossing over provides evidence to support the claim that meiosis increases genetic variation.
10.- Why is it important that human gametes have half a set of DNA instead of a full set of DNA?
11.- In what ways is ATP like a fully charged battery?
Answer: By storing carbon above and below the ground, the trees and plants in forests contribute to the production of oxygen as a byproduct of photosynthesis. ... Photosynthesis provides most of the oxygen that humans and animals breathe.
Which of the following organelles is in plant cells, but not animal cells ?
1. Nucleus
2. Endoplasmic reticulum
3. Chloroplasts
4. Cytoplasm
Answer:
Chloroplasts
Explanation:
Photosynthesis occurs in chloroplast . Plants do photosynthesis , so they have chloroplasts in their cells. But animals dont do photosynthesis , so they dont have it in their cells
Helppp Pleaseee Ill give u pointssss
Answer:
I think it is F.
Explanation:
Answer:
Letter E
Explanation:
Letter F shows a codon, an anticodon is the opposite match for the codon, in this case letter E
A man with blood type A, whose mother was type o, has a child with a woman that has type AB blood. Which blood
types are possible in their children?
Answer:
Ab a o
Explanation:
A man with blood type A, whose mother was type o, has a child with a woman that has type AB blood. Which blood
types are possible in their children AB, a, O.
What is ABO blood grouping ?The blood grouping can be defined by the presence of surface antigens in the red blood cell which are A and B. The gene present on the parent chromosome can determine the blood group.
Blood type A represents to the presence of gene A, and its genotypic expression can be A/A or A/O.
Type B blood group where genotype is represented as B/B or B/O, is due to the presence of a gene containing the B antigen.
AB blood group which is codominant- has one gene for A and another for B, with genotype A/B.
Blood type O is mainly characterized by the absence of surface antigens, behaves like a recessive trait, which only manifests itself in the absence of surface antigens A and B. The genotype is O/O.
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Help pleas due in 25 minutes. this is the 3 time that I have posted this question
In the middle of the night, you are awakened by hunger pains. You proceed to get up and go to the kitchen to have a couple of cookies and a glass of milk. Satisfied you go back to bed content. Explain in detail what tissues, organs, and organ systems are involved in completing that task. Be sure to include how the systems interact. The more detail the better! Start with getting up to get the food and include details on the steps in how the food gets digested.
. Explain in detail
Answer:
you would use your muscles from your legs and your body to get up from your bed and go to your fridge, your muscular system helps you up by being a structure for the muscles to apply force, you will use arm muscles for getting out cookies and milk. Then you will drink and eat your cookies and milk with your jaw muscle and send it down your esophagus to the intestines for the digestive system to break down your food. Then you will use your legs(muscles) to go back to your bed and sleep. (don't copy this whole thing it is not complete and you must add stuff so it is complete im just giving you an idea or the structure of this essay)
Will mark brainliest if you get this right! What is this?
a black hole?? (if not then welp-)
Which molecules does a cell need from food to make these membrane
Answer: The organic molecules required for building cellular material and tissues must come from food. Carbohydrates or sugars are the primary source of organic carbons in the animal body. During digestion, digestible carbohydrates are ultimately broken down into glucose and used to provide energy through metabolic pathways.
Hope this helps...... Stay safe and have a Merry Christmas!!!!!!!! :D