Answer: A Tool that Shows Phenotypes of Genetically Related family Members, Are A pedigree.
Explanation:
The gamete that contains genes contributed only by the mother is an egg
When a single copy of a disease allele doesn't result in a disease but instead is good for the person or organism that carries it, we say that allele has a heterozygote advantage. In other words this occurs when heterozyhotes have increased fitness over both homozygotes. A good example is sickcle cell trait, which protects against malaria in heterozygotes, but causes a deadly disease in homozygotes.
