The membrane lining the medullary cavity is the?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.

How many copies of genes do gametes have?