Genetics Review Flashcard

Front

What is the term for an organism that has two identical alleles for a particular gene?

Back

Homozygous

Front

What is the study of inheritance and variation of traits in living organisms called?

Back

Genetics

Front

What is the physical trait of an organism (ex: tall pear plant, eye color)?

Back

Phenotype

Front

What is the genotype for homozygous recessive?

Back

aa

Front

What do you call two alleles that are the same (ex: RR, pp)?

Back

Homozygous

Front

What is the term for an organism that has two different alleles for a particular gene?

Back

Heterozygous

Front

What is the genetic makeup of an organism called?

Back

Genotype

Front

What is the observable expression of a trait in an organism?

Back

Phenotype

Front

What is the term for a gene that can mask the effect of another gene?

Back

Dominant

Front

What is the term for a gene whose effects are masked by a dominant gene?

Back

Recessive