About 5 to 10 percent of malignant breast cancer cases are the result of what? A)exposure to tobacco products

B)benign fibroids

C)genetic predisposition

D)exposure to X-rays

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

Why are some places regularly warmer or cooler than others in a given month

Under which of the following circumstances would natural selection not operate on an organism