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:
Sickle Cell Anemia:
What is the difference between sickle cell trait and sickle cell disease?
Huntington’s disease:
How does the mutant protein huntingtin cause Huntington’s disease?
Explanation:
D. the moveable and proximal attachment
Food chains model energy flow through an ecosystem. Producers pump energy into an ecosystem from an environmental source, and this energy is then passed from one organism to the next.
The type of asexual reproduction which is being represented is definitely C. Fission, because according to the data above the entity has divided into two or more parts which is a characteristics for the fission.
