Question

5.05 Quiz: Complex Crosses

1. A botanist creates crosses of a snapdragon plant. One plant is homozygous for red flowers (RR), and the other plant is homozygous for white flowers (rr). The cross produces pink flowers.


Which inheritance pattern does this example best represent?

A. recessiveness

B. codominance

C. incomplete dominance

D. multiple alleles


2. A botanist creates crosses of a snapdragon plant. Both plants are heterozygous for pink flowers (Rr).


What percentage of the offspring produced will be red?

A. 25%

B. 50%

C. 75%

D. 100%


3. A botanist creates crosses of a snapdragon plant. One plant is heterozygous for pink flowers (Rr), and one plant is homozygous for white flowers (rr).


What percentage of the offspring produced will be white?

A. 25%

B. 50%

C. 75%

D. 100%

4. M and N are alleles for antigens on the surface of red blood cells. An individual who is homozygous for M/M blood has a child with an individual who is homozygous for N/N blood.

Which statement best describes the antigens present on the child's red blood cells?
A. The red blood cells will have both M and N antigens.
B. The red blood cells will have only M antigens.
C. The red blood cells will have only N antigens.
D. Some red blood cells will have M antigens, and some will have N antigens.

5. Red-green color blindness is a trait that affects many more males than it does females.

Which statement is true about the inheritance of red-green color blindness?
A. It is an autosomal trait.
B. It is a sex-linked trait.
C. It is a recessive trait.
D. It is a dominant trait.

Answer 1

Hope you will get answer

Answer 2

Answer:

1)c.incomplete dominance

2)25%

3)50%

4)a.the redblood cells have both M and N antigens

5)b.sex linked

Explanation:did the same exact test