Genetics Review (Flashcard 1)

Front

What is the exact genetic makeup of an organism, such as RR, Tt, PP?

Back

Genotype

Front

When you cross two parents, how many alleles does each parent pass for each individual trait?

Back

1

Front

Which of the following alleles is homozygous (purebred) recessive: TT, Tt, tt, ts?

Back

tt

Front

Who is considered the 'Father of Genetics'?

Back

Mendel

Front

If red (R) is dominant over white (r), how can a flower be white?

Back

It has to have rr.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene.

Front

What is an allele?

Back

An allele is a variant form of a gene.

Front

What is the principle of segregation?

Back

The principle that during the formation of gametes, the two alleles for a trait separate from each other.