Genetics Review Flashcard

Front

What is the term for an organism that has two different alleles for a particular gene?

Back

Heterozygous

Front

What is the genotype of a mother with blue eyes (a recessive trait) in generation 1?

Back

aa

Front

What is the term for the physical characteristics or traits of an organism?

Back

Phenotype

Front

Different forms a gene may have for a trait are called what?

Back

Allele

Front

What percentage of female offspring will be carriers for a recessive disease if one parent is affected?

Back

50%

Front

What is the term for an organism that has two identical alleles for a particular gene?

Back

Homozygous

Front

What is the genetic makeup of an organism called?

Back

Genotype

Front

What is the structure that carries genetic information in cells?

Back

Chromosome

Front

What is the process by which traits are passed from parents to offspring?

Back

Heredity

Front

What is a mutation?

Back

A change in the DNA sequence of a gene.