Intro to Genetics

Front

What is an allele?

Back

A single gene for a trait.

Front

How many pairs of chromosomes exist in each of your cells?

Back

23 pairs.

Front

What is a recessive allele?

Back

An allele whose trait only shows up when no dominant allele is present.

Front

What does homozygous mean?

Back

Having two identical alleles for a trait (e.g., SS).

Front

What is the phenotype of a person with genotype Cc if curly hair is dominant?

Back

Has curly hair.

Front

What is a dominant allele?

Back

An allele that masks the effect of a recessive allele.

Front

Define genotype.

Back

The genetic makeup of an organism, represented by alleles.

Tags

NGSS.HS-LS3-2

Front

What is a phenotype?

Back

The physical expression or characteristics of a trait.

Tags

NGSS.HS-LS3-1

Front

What does heterozygous mean?

Back

Having two different alleles for a trait (e.g., Cc).

Front

What is the function of chromosomes?

Back

They carry genetic information in the form of genes.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1