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Nitella [24]
4 years ago
14

What is dna genes chromatin and inheritance

Biology
1 answer:
Nata [24]4 years ago
3 0
DNA - Deoxyribonucleic acid is a molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

Genes - A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

Chromatin - The material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.

Inheritance - The reception of genetic qualities by transmission from parent to offspring


Hoped that helped
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In some chickens, the gene for feather color is controlled by codominance. The allele for black is B and the allele for white is
Agata [3.3K]

Answer:

The question is incomplete, it lacks the main questions, those questions are:

a. What is the genotype for black chickens?

b. What is the genotype for white chickens?

c. What is the genotype for erminette chickens?

Explanation:

This question involves a gene coding for feather colour in some birds, in which the black allele (B) and white allele (W) is involved. According to the question, the gene coding for feather colour exhibits co-dominance i.e. both the black (B) and white (W) allele are expressed in a heterozygous state (BW) to form an erminette phenotype.

Hence, if the neither alleles is dominant or recessive over the other. The black phenotype will only be expressed when the genotype is BB.

The white phenotype will only be expressed when the genotype is WW

The combination of both alleles which results in the simultaneous expression of both in the erminette phenotype, will be BW genotype.

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3 years ago
During which stage of the cell cycle does the cell membrane pinch the cell into two
Aleks04 [339]
During interphase, the cell grows to its mature size and make a copy of its DNA, prepares to divide into two cells. during mitosis, a copy of the DNA is distributed into each of the 2 daughter cells. during cytokinesis, the cytoplasm divides, which distributing the organelles into each of the 2 new cells!!
6 0
3 years ago
Crocodiles that ignore birds cleaning their teeth instead of eating them is an example of __________. a. parental care b. habitu
Nostrana [21]

The correct answer is Option (B) Habituation.

Crocodiles ignore the birds which clean their teeth instead of eating them. This is an example of habituation.

<h3>Why do crocodiles show habituation toward the birds which clean their teeth?</h3>

It's an evolutionary phenomenon that when a bird used to sit in a crocodile’s mouth, the crocodile didn't eat it, instead, the crocodile used to allow the bird to sit in the mouth and clean the teeth of the crocodile so that they can alive longer, whereas the birds could get the free food from the crocodile’s mouth. It is an example of the symbiotic relationship between the two.

So, the same is the case today, crocodiles are habituated to the fact that the birds will clean their teeth so instead of eating them, these birds are being ignored by the crocodiles.

To know more about crocodiles visit:

brainly.com/app/profile/15754363

#SPJ4

5 0
1 year ago
Which polymers carry the information for cell growth and reproduction from one generation to the next? A. proteins B. starches C
andreyandreev [35.5K]
Nucleic acids carry this information because they help make DNA
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Reproduction during which one organism produces genetically identical offspring is called ______.
goldfiish [28.3K]
 <span>Reproduction during which one organism produces genetically identical offspring is called asexual reproduction.</span>
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