In oysters, brown coloring (B) is dominant, and blue coloring (b) is recessive.
A homozygous brown oyster crosses with a blue oyster.
What percentage of offspring are expected to be blue?
A- 0%

B- 50%

C- 25%

D- 100%

a, i am pretty sure.

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.

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.