Due will mark as brainliest if answered

3. in mussels, brown (b) coloring is dominant, and blue (b) coloring is recessive. if a blue mussel has two brown parents, what percentage of the total offspring of these brown parents are expected to be blue?
a. 100%
b. 75%
c. 50%
d. 25%

What type of pollution does household garbage cause

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?