Genetics/Punnett Square Review

Front

What is an organism's genetic makeup or allele combinations?

Back

Genotype

Front

What are different forms of a gene called?

Back

Alleles

Front

Which of the following is homozygous recessive: AA, Aa, or aa?

Back

aa

Front

What do we call having two identical alleles for a trait?

Back

Homozygous

Front

What is the term for a condition in which both alleles for a gene are expressed so that both traits are visible?

Back

Codominance

Front

What is the term for the observable characteristics of an organism?

Back

Phenotype

Tags

NGSS.MS-LS4-4

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous has identical alleles; heterozygous has different alleles.

Front

What is the term for an allele that masks the effect of another allele?

Back

Dominant allele

Front

What is the term for an allele that is masked by a dominant allele?

Back

Recessive allele

Front

What is the purpose of a Punnett square?

Back

To predict the genetic outcomes of a cross between two organisms.