Genetics Basics

Front

What is the phenotype of an owl with the genotype Ff, where fluffy feathers (F) are dominant?

Back

fluffy feathers

Front

Which genotype would produce a dwarf pea plant if tall (T) is dominant over dwarf (t)?

Back

tt

Front

What is the term for a genotype that has two different alleles?

Back

heterozygous

Front

What color eyes does a person with the genotype bb have if blue eyes (b) are recessive and brown eyes (B) are dominant?

Back

blue

Front

What is an allele?

Back

a version of a trait

Front

Define dominant allele.

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

Define recessive allele.

Back

An allele that only expresses its trait when two copies are present.

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 does it mean for an organism to be homozygous?

Back

It has two identical alleles for a trait.

Front

What is the significance of Punnett squares in genetics?

Back

They are used to predict the probability of offspring inheriting particular traits.