Understanding Genetics and Inheritance

Front

What is the term used to describe a variation of a gene?

Back

Allele

Front

Genetic makeup of an organism

Back

Genotype

Front

What is the observable, physical characteristic or trait of an organism called?

Back

Phenotype

Front

Which type of allele is expressed in the phenotype even if only one copy is present?

Back

Dominant

Front

What do you call an organism that has two identical alleles for a trait?

Back

Homozygous

Front

Term for an organism with two different alleles for a particular trait.

Back

Heterozygous

Front

Term for an allele that is only expressed in the phenotype when two copies are present.

Back

Recessive

Front

Which term refers to the genetic material inherited from the mother?

Back

Maternal

Front

What is the term for the genetic material inherited from the father?

Back

Paternal

Front

Back

Heterozygous