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.
C. is your correct answer.
Roots
leaves
the stem
reproductive organs, such as male and female sex organs in flowers.
Answer:
cells divide for many reasons. For example, when you skin your knee, cells divide to replace old, dead, or damaged cells. Cells also divide so living things can grow. Organisms grow because cells are dividing to produce more and more cells
Explanation:
that's all I can answer but hope this helps a little have a good night :)
