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The expression of a trait is directly dependent on the
A) Arrangement of amino acids in the protein synthesized
B) Shape of the subunits in the DNA molecule
C) Number if chromosomes present in the nucleus
D) Sequence of bases coded for by the ribosome

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Answer: B

Explanation:

The question wants to know what the expression is directly dependent on.

The sequence of genetic expression goes like this:

  DNA -> RNA -> protein

If we want to know the root cause of expression, we must look at the DNA, not the RNA or protein, because DNA determines the RNA and protein expression.

 

The  Shape of subunits in DNA -> Sequence of bases coded for by the ribosome with RNA -> Arrangement of amino acids in the protein synthesized.

Why not C: Number of chromosomes present isn't a factor, because most humans, barring those with a genetic disorder, have 23.

B. The expression of a trait is directly dependent on the "Shape of the subunits in the DNA molecule."

What do you mean by expression of a trait?

"Expression of a trait is termed as phenotype and it is dependent on many factors. A particular trait may become recessive if it gets combined with a dominant trait."

What causes the expression of a trait?

"Genes also interact in patterns such as partial dominance or co-dominance, the trait is expressed as a mix between two genes. Those are the possibilities for one gene. Most traits are influenced by many genes, there are many different ways for those genes to influence how the trait is expressed."

What is the expression of a trait dependent on?

"Expression of X-linked traits depends on a number of factors including a dominant versus recessive allele, and the gender of the offspring. One can determine the likelihood of producing a child with a particular trait using a Punnett square."

To know more about expression of a trait here https://brainly.com/question/13281421

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