Genetics Vocabulary

Front

What is the complex molecule that carries genetic information defining an organism's traits?

Back

DNA

Front

What is the study of heredity called?

Back

Genetics

Front

What model/grid shows the possible gene combinations from a genetic cross?

Back

Punnett Square

Front

What are DNA segments found on chromosomes that determine the inheritance of a particular trait?

Back

Genes

Front

What term describes having two different alleles for a trait, such as Tt?

Back

Heterozygous

Front

What is the term for having two identical alleles for a trait, such as TT or tt?

Back

Homozygous

Front

What is the observable physical or biochemical characteristics of an organism called?

Back

Phenotype

Front

What is the genetic makeup of an organism, represented by alleles?

Back

Genotype

Front

What is a variant form of a gene called?

Back

Allele

Front

What type of allele masks the effect of another allele?

Back

Dominant