Question 3 of 12 What is gene flow?
O A. A mutation becoming more common
B. When a population splits in two
C. Selection for extreme traits
O D. Two populations transferring genes
SUBN

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides

How and why organisms are hierarchically classifies