Genetics Vocabulary

Front

Piece of DNA that codes for a trait

Back

Gene

Front

Coiled up DNA forms an X shape and is connected by a centromere

Back

Chromosomes

Front

The physical appearance of a trait (what it looks like)

Back

Phenotype

Front

The two-letter combination that expresses a trait (Aa) or (Rr)

Back

Genotype

Front

Another word for homozygous is ____

Back

Purebred

Front

Another word for heterozygous is-

Back

Hybrid

Front

A gene with two of the same-sized alleles (DD or aa) is considered a __________ gene.

Back

Purebred

Front

A gene with a mix of alleles (one is upper case, one is lower case--Bb)

Back

Hybrid

Front

Where do your alleles come from?

Back

Your parents

Front

Gregor Mendel____

Back

is the Father of Modern Genetics