What is recombination?
a. combined gene pools of many populations
b. movement of genes across populations
c. random genetic changes in small populations
d. new groupings of alleles in offspring

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism