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Anon25 [30]
2 years ago
14

Which pair of statements correctly describes a way that the chromatin contributes to gene expression?

Biology
1 answer:
Novosadov [1.4K]2 years ago
8 0

Answer:

Chromatin is responsible for gene expression.

Explanation:

Chromatin is responsible for gene expression because chromatin contains DNA that has all information about genes. chromatin controls the gene in order to form encoded products. DNA in chromatin send information to the RNA to produce specific types of proteins that are needed by the organisms for its growth and development so in that way the genes can be expressed in the organism.

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Most familiar life forms live in regions of biomes that humans inhabit. <br> True or false
lesya [120]

true

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tell me if I am wrong. :)

7 0
3 years ago
Question 6 You cross a true-breeding red-flowered snapdragon with a true-breeding white-flowered one. All of the FI are pink. Wh
muminat

Answer:

E (Red shows incomplete dominance over white)

Explanation:

This portrays a monohybrid cross involving a single gene coding for flower colour in snapdragon plants. According to the question, a purebreeding red flowered (homozygous) plant is crossed with a purebreeding white flowered (homozygous) plant to produce an all pink flowered offspring. This phenomenon is called INCOMPLETE DOMINANCE.

Mendel, in his experiments, discovered that an allele can mask the expression of another in a heterozygous state. He called the allele that masks DOMINANT allele while the allele that is masked RECESSIVE allele. However, exceptions like INCOMPLETE DOMINANCE, has occurred in the sense that an allele does not completely mask the expression of its allelic pair, instead an intermediate phenotype, which is a combination/blending of both parental phenotypes is produced.

In this case, the red flowered snapdragon (RR) does not completely cover up the expression of white flower (rr), hence a hybrid/heterozygous offspring is produced that combines the phenotypic characteristics of both parents to form an intermediate flower colour (pink). Hence, it can be said that Red flower is incompletely dominant over white flower or no allele/trait is dominant or recessive to another.

3 0
3 years ago
Choose the correct option :-
lukranit [14]

Answer:

Q1.

B) Aristotle

Q2.

C) Cellulose and pectin

6 0
2 years ago
Read 2 more answers
Is summer when we are facing the sun and winter is when we are facing away from the sun?
Sladkaya [172]
Yes, something like that.
7 0
3 years ago
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What are the traits for life
cupoosta [38]

Answer:    responsiveness to the environment;

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   ability to reproduce;

   have a metabolism and breathe;

   maintain homeostasis;

   being made of cells; and.

   passing traits onto offspring.

Explanation:

8 0
3 years ago
Read 2 more answers
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