Unit 7 Genetics 1

Front

What does genotype refer to?

Back

The possible combination of alleles.

Front

What is the probability that two brown-eyed parents (Bb) will have a blue-eyed child?

Back

25%.

Front

What trait did Marisol most likely inherit if she is tall?

Back

Height.

Front

What is the term for the passing of genetic traits from parent to offspring?

Back

Heredity.

Front

What does it mean to be homozygous?

Back

Having two of the same genes for a trait (sometimes called purebred).

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

What is an allele?

Back

An alternative form of a gene that can exist at a specific locus.

Front

What is the significance of a Punnett square in genetics?

Back

It is used to predict the genotypes of offspring from parental crosses.

Front

What does it mean if an organism is heterozygous?

Back

It has two different alleles for a trait.

Front

What is the role of dominant alleles in inheritance?

Back

Dominant alleles mask the effect of recessive alleles in heterozygous individuals.