The outside appearance of an organism

Is the following genotype homozygous or heterozygous: Tt

What is Ms. Murphy's government (real) name?

A trait that is covered up or seems to disappear

The genetic makeup of an organism

What is Ms. Wunsch's government (real) name?

The study of how traits are inherited in offspring

Male or female sex cells

Basic unit of genetic information, determine the inherited characteristics

Used to calculate the frequencies of different genotypes and phenotypes among offspring

In humans, brown eyes (B) is dominant to blue eyes (b). If two parents have brown eyes, but are carriers for the blue eye allele, what is the probability they will have offspring with blue eyes?

Study of the way traits are passed on from parent to offspring

In humans, being a tongue roller (R) is dominant over non-roller (r). A man who is a non-roller marries a woman who is heterozygous for tongue rolling. What are the chances for an offspring with the genotype Rr?