The is determined by the combination of alleles or genes at a certain loci. allows animals to naturally adapt to their environments.
Dane recently crossed two of his shorthorn cattle. His calf had both red and white in its coat. Dane’s offspring is a result of .
A scientist is analyzing a cell under a microscope. He notices it only has half of a paired chromosome. What is true about this cell?
An animal has a genetic mutation. Which step in the cellular level did the mutation occur?
Somatic cells divide during , while gametes undergo .
If two identical animals are raised separately, but do not look exactly the same in a year, which factors contribute to this phenomenon?