Punnett Squares

Front

What do dominant alleles represent in genetics?

Back

Dominant alleles are represented by a capital letter.

Front

In pea plants, how is the tall allele represented if it is dominant to the short allele?

Back

Tall = T, Short = t

Front

In a heterozygous genotype, which allele is expressed in the phenotype?

Back

The dominant allele takes over in the phenotype.

Front

What is the term for the physical appearance of an organism?

Back

Phenotype.

Front

Which genotype is heterozygous?

Back

Bb.

Front

What is a Punnett Square used for?

Back

A Punnett Square is used to predict the genotypes of offspring from parental crosses.

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene.

Front

What is the genotype?

Back

The genotype is the genetic makeup of an organism, represented by the alleles.

Front

What is the difference between genotype and phenotype?

Back

Genotype is the genetic makeup, while phenotype is the physical expression of that genotype.