Mendelian Genetics

Front

What did Gregor Mendel study?

Back

Pea Plants

Front

an observable characteristic

Back

trait

Front

When an organism has two of the same alleles, it is called

Back

homozygous

Front

When an organism has two different alleles, it is called

Back

heterozygous

Front

_____ are units of heredity made up of DNA.

Back

Genes

Front

A/n _____ trait is a trait that prevents or masks the showing of another trait.

Back

dominant

Front

A trait that is hidden by the presence of a dominant trait is known as a _____ trait.

Back

recessive

Front

In genetics, an organism that carries both a dominant and recessive allele for the same trait is called a/n _____

Back

hybrid

Front

In genetics, this refers to an organism that carries two dominant or two recessive alleles for a given trait:

Back

purebred

Front

A _____ is the physical appearance of an organism; i.e. black haired, blue-eyed, widow's peak.

Back

phenotype