According to the principle of segregation, what kind of gametes can an individual with the genotype bb produce? a. b only b. b and b gametes c. b only d. b, b, and bd gametes

Option B,  B and b gametes

Explanation:

As per the principle of segregation, a chromatin containing alleles in pair (which expresses certain trait) gets separated during the cell division and lead to formation of new offspring with a varied genotype. This principle of seggregation is very important in producing diverse species from one generation to other.

Hence, option B is correct.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.  

it's a.true. i'm kind of smart.