Genetics Vocabulary Flashcard

Front

The gene is always expressed if one or more copies are present

Back

dominant

Front

Having two different alleles for a gene

Back

heterozygous

Front

An organism's physical appearance or visible traits.

Back

phenotype

Front

A physical characteristic of an organism

Back

trait

Front

Having two identical alleles for a gene (dominant or recessive)

Back

homozygous

Front

The possible versions of a gene

Back

allele

Front

The combination of alleles (letters) of gene

Back

genotype

Front

condensed DNA in the form of an X

Back

chromosome

Front

Choose an example of heterozygous

Back

Hh

Front

The gene that requires two copies to express its trait

Back

recessive