Hi there!

In the given situation, a rough coat (R) is dominant over the smooth coat (r).
For a guinea pig to express the recessive smooth coat trait, they must not contain any dominant alleles in their genotype.
Therefore, the only possible genotype would be both recessive, or C. rr.
Answer:
50% (Answer Choice 3)
Explanation:
One important thing to keep in mind when solving sex-linked Punnett Squares is that males can never be carriers, since they have one X and one Y chromsome. Thus, it is only possible for females to be carriers, because they have two X chromsomes. Because of this, before solving the problem, you already know that 50% or less of the offspring can be carriers, thus eliminating two answer choices right off the bat. Now, the only way to find out whether 25% or 50% of the offspring are carriers is to solve the Punnett Square. The two female genotypes resulting from the cross is
and
. Since both offspring have only one allele for color-blindness, both are carriers, which means that the answer is 50%.
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Hoped That Helped </span>
Answer: a. an anticodon and an amino acid
Explanation:
The following is a typical structure The tRNA where we can observe an anticodon that binds to the nucleotide sequence of the mRNA and an amino acid that in triplet encodes for an protein.