Mendelian Genetics Review

Front

What is the genotype for a homozygous dominant individual?

Back

AA

Front

What is a dominant allele?

Back

An allele that covers up the instruction of another allele in a homologous pair, symbolized by a capital letter.

Front

What are different variations of genes called?

Back

Alleles

Front

What is a heterozygous genotype?

Back

A genotype where one dominant and one recessive allele is present, such as Bb.

Front

What is the dominant trait in a Punnett square?

Back

The trait that is expressed when at least one dominant allele is present.

Front

What does homozygous recessive mean?

Back

A genotype where both alleles are recessive, such as aa.

Front

What is the purpose of a Punnett square?

Back

To predict the genotypes and phenotypes of offspring from parental crosses.

Front

Define phenotype.

Back

The observable characteristics or traits of an organism.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the physical expression of traits.

Front

What is a trait?

Back

A specific characteristic of an organism, such as flower color or seed shape.