Answer:
A. single-gene
Explanation:
It is controlled by a single gene that has two alleles. The allele for a widow's peak is dominant over the allele for a hairline with no peak.
Answer: Eagles mate sexually.
Explanation: Typically the male eagle mounts and humps the female eagle.
Answer:
A - Only a Boy Can get a Y Chromosome
Explanation:
MARK AS BRAINLIST
