Punnet Squares, Karyotype, and Pedigrees Review

Front

What does genotype refer to?

Back

The possible combination of alleles in a gene.

Front

How many children did the parents from the first generation have?

Back

4

Front

What is a karyotype?

Back

An image that shows the chromosomes from a single cell within a single organism.

Front

What are the percentages of the possible genotypes when a homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur?

Back

50% BB and 50% Bb.

Front

Which of the following is heterozygous?

Back

Bb.

Front

What is the definition of a Punnett square?

Back

A diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles.

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 the purpose of a pedigree chart?

Back

To track the inheritance of traits through generations in a family.

Front

What is the difference between dominant and recessive alleles?

Back

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