LOOTUUSULU
13. In dogs, B codes for black fur and b codes for brown fur. A dog with BB as its genotype has
black fur. A dog with Bb as its genotype has black fur and a dog with bb as its genotype has brown
fur. This demonstrates which of the following?
a. Complete dominance
c. Codominance
b. Incomplete dominance
d. Multiple Alleles

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

. the sierra madre fault zone of southern california

. the san andreas fault california