Genetics Vocabulary

Front

What is the term for an organism that has one dominant allele and one recessive allele?

Back

Heterozygous

Front

According to Mendel's law of segregation, how many alleles from each pair are passed to the offspring during meiosis?

Back

One allele

Front

What do you call an organism that has both alleles in the same form, either dominant or recessive?

Back

Homozygous

Front

What is the term for an organism's genetic makeup, usually expressed in letters?

Back

Genotype

Front

What are the inherited characteristics or features passed down from parents to offspring called?

Back

Traits

Front

What is the difference between a dominant allele and a recessive allele?

Back

A dominant allele expresses its trait even when only one copy is present, while a recessive allele only expresses its trait when two copies are present.

Front

What is the term for the physical expression of a genotype?

Back

Phenotype

Front

What is the purpose of a Punnett square in genetics?

Back

A Punnett square is used to predict the genotypes and phenotypes of offspring from a genetic cross.

Front

What does it mean for an allele to be 'dominant'?

Back

A dominant allele is one that can mask the presence of a recessive allele in a heterozygous individual.

Front

What is the term for the genetic makeup of an organism that includes both alleles for a specific gene?

Back

Genotype