Punnett square vocabulary

Front

What are all the forms of a gene for any given trait called?

Back

Alleles

Front

What do you call alleles that are paired together and are different from each other?

Back

Heterozygous

Front

What is the term for an allele that masks or hides the presence of another allele, typically written with a capital letter?

Back

Dominant

Front

What is the term for an allele that is masked or hidden by another allele, typically written with a lower case letter?

Back

Recessive

Front

What is the name of the tool used to determine the probable genotypes of offspring from two parents?

Back

Punnett square

Front

What is the genotype of an organism?

Back

The genetic makeup of an organism, represented by the alleles it possesses.

Front

What is the phenotype of an organism?

Back

The observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What is the difference between homozygous and heterozygous alleles?

Back

Homozygous alleles are identical (e.g., AA or aa), while heterozygous alleles are different (e.g., Aa).

Front

What does it mean for an allele to be co-dominant?

Back

Co-dominant alleles are both expressed in the phenotype of a heterozygous individual.

Front

What is a monohybrid cross?

Back

A genetic cross between parents that differ in only one trait.