Punnett Squares

Front

How many alleles (letters) does a child get from EACH parent for each trait?

Back

1

Front

How many alleles are in the genotype for a simple trait?

Back

2

Front

Aa, DD, bB, yy are all examples of:

Back

genotypes

Front

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Back

dominant

Front

Dominant alleles are represented by a:

Back

capital letter

Front

What is a Punnett Square used for?

Back

To predict the genetic outcomes of a cross between two organisms.

Front

What does a homozygous genotype mean?

Back

An organism has two identical alleles for a trait.

Front

What does a heterozygous genotype mean?

Back

An organism has two different alleles for a trait.

Front

What is the phenotype?

Back

The observable characteristics of an organism.

Front

What is the genotype?

Back

The genetic makeup of an organism.