Scientists believe that the modern whale evolved from a land mammal similar to a :
a. elephant
b. wolf
c. hippopotamus
d. horse

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids

The color of the fur is the genotypephenotype. the genetic combination of alleles that determine the fur color is called the genotypephenotype.

At the age of 6 months, caleb was diagnosed with tay-sachs disease. as his primary care physician, what would you tell his parents about this disease?