6. For this one you can consider the example of Snapdragon. Co-dominance is when both phenotypes are expressed. A mixture of red-colour genes and white-colour genes would lead to pink colouration.
7. This is an autosomal recessive disease. So, both parents have to be carriers. It is possible for them to not have the disease (and be carriers) and still pass it on. So, (C) would be correct.
6.A scientist is studying a plant species in which the flower color genes are codiminant. The scientist crosses a plant with red flowers and a plant with white flowers. The offspring will most likely have..
A. Red flowers
B. White flowers
C. Pink flowers
D. Red flowers with white patches
7. In order for a child to inherit a recessive genetic disease, like sickle cell anemia, healthy parents must both...
A.have the disease
B. Be homozygous for the mutated that causes the disease
C. Be carries of the mutated gene that causes the disease
D. Have other offspring that have the disease
1 answer