Answer: Three nucleotides encode an amino acid. Proteins are built from a basic set of 20 amino acids, but there are only four bases.
Explanation:
Answer:
A
Explanation:
In natural selection animals with phenotypes best adapted to their environment survive. These animals will then reproduce producing more animals with their phenotype which survives better in the environment.
Answer:
one in four
Explanation:
If both parents carry only one copy of a recessive gene, the likelihood of a child bearing the recessive trait is one in four.
Answer: because oil is less dense than water and therefore it floats to the surface.
Explanation:
I’m almost 100% sure it’s D, because environmental factors can induce a mutation. A mutation can be beneficial but it can also be harmful, so it’s neither B or C, and it can’t be A, because mutations can come from natural selection as well. So it’s D.
