Unit 5: Genetics 2

Front

What is heredity?

Back

The passing of traits from parents to offspring.

Front

How are alleles inherited?

Back

From both parents.

Front

What is a recessive allele?

Back

An allele that will only be expressed if there are 2 copies present.

Front

What does a Punnett square do?

Back

It predicts the probability of offspring inheriting certain traits.

Front

What does 'G' represent in the context of frog skin color?

Back

Green skin.

Front

What does 'g' represent in the context of frog skin color?

Back

Brown skin.

Front

What is the chance of baby frogs having brown skin if both parents are homozygous dominant for green skin?

Back

0%.

Front

What part of the cell contains chromosomes and genes?

Back

Nucleus.

Front

What is the function of chromosomes?

Back

They carry genetic information.

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles are expressed in the presence of other alleles, while recessive alleles are only expressed when two copies are present.