Simple and Complex Genetics Review

Front

What does DNA contain that codes for proteins?

Back

Genes

Front

What is the genotypic ratio of the offspring in a monohybrid cross?

Back

1:2:1

Front

What do lowercase letters represent in a Punnett square?

Back

Recessive alleles

Front

What is a Punnett Square used for?

Back

To track possible phenotypes from genotypes

Front

From whom is one chromosome in each pair inherited?

Back

One from the mother and one from the father

Front

What is the definition of a genotype?

Back

The genetic makeup of an organism, represented by alleles.

Front

What is the definition of a phenotype?

Back

The observable physical or biochemical characteristics of an organism.

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even if only one copy is present; recessive alleles require two copies to express their trait.

Front

What is a homozygous genotype?

Back

A genotype with two identical alleles for a trait.

Front

What is a heterozygous genotype?

Back

A genotype with two different alleles for a trait.