Genetics

Front

What is an allele?

Back

Different forms of a trait a gene may have. Example: R, r, T, t.

Front

What does homozygous dominant mean?

Back

Having two identical dominant alleles for a trait. Example: YY.

Front

What is genetics?

Back

The study of how traits are passed on from generation to generation, or inherited.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What does the prefix 'hetero-' in heterozygous mean?

Back

Different.

Front

What are alleles?

Back

The different forms of a gene.

Tags

NGSS.HS-LS3-2

Front

What is a gene?

Back

A segment of DNA that determines a specific trait.

Tags

NGSS.HS-LS3-1

Front

What is the difference between phenotype and genotype?

Back

Phenotype is the observable traits, while genotype is the genetic makeup.

Tags

NGSS.HS-LS1-1

Front

What is a dominant trait?

Back

A trait that is expressed when at least one dominant allele is present.

Front

What is a recessive trait?

Back

A trait that is only expressed when two recessive alleles are present.

Front

What is the purpose of a Punnett square?

Back

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