Answer: A genetic disorder in which an individual lacks an enzyme responsible for converting the amino acid phenylalanine into the amino acid tyrosine is called phenylketonuria (PKU) A trait that is determined by a gene that is found only on the X chromosome is said to be
Explanation:
40, Haploid means half, and diploid means double of the half, and so its diploid number will be
20
⋅
2
=
40
if its haploid number is
20
.
Answer:
the evidence that influenced Darwin was the evidence indicating that volcanoes contribute to natural selection and evidence showing that rocks can change from one type to another after all he was a geologist and he saw various changes on the earth and it might've look a bit older than we thought
