Genetics/Punnett Square Review

Front

What is the probability of homozygous dominant offspring?

Back

0%

Tags

NGSS.HS-LS3-3

Front

An organism's phenotype describes its __________.

Back

physical appearance

Tags

NGSS.HS-LS3-1

Front

A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---

Back

Codominance

Front

What is the probability of heterozygous offspring?

Back

50%

Tags

NGSS.HS-LS3-3

Front

If B = brown hair and b = blonde hair, what is the probability of blonde hair?

Back

25%

Tags

NGSS.HS-LS3-3

Front

What does the term 'genotype' refer to?

Back

The genetic makeup of an organism.

Tags

NGSS.HS-LS3-2

Front

What is a Punnett Square used for?

Back

To predict the probability of offspring genotypes.

Tags

NGSS.HS-LS3-3

Front

Define 'allele'.

Back

An alternative form of a gene.

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles mask the effect of recessive alleles.

Front

What does 'homozygous' mean?

Back

Having two identical alleles for a particular gene.