A person's expressed physical trait, such as eye colour is called their;

A person that has two different alleles for a single trait is said to be _________ for that trait.

If the allele for brown eye colour (B) is dominant over the allele for blue eye colour (b), which of the following genotypes would a person with blue eyes have?

In humans, somatic cells have ____ chromosomes, while reproductive cells (gametes) have ____.

The genotype TT is best described as;