Genotypes and Phenotypes

Front

What is a genotype?

Back

The set of genes in our DNA which is responsible for a particular trait.

Tags

NGSS.HS-LS3-1

Front

What are alternative forms of a gene called?

Back

Alleles

Front

What genotype is homozygous dominant?

Back

AA

Front

What genotype is heterozygous?

Back

Bb

Front

How are dominant alleles represented?

Back

By a capital letter.

Front

What is a phenotype?

Back

The physical expression or characteristics of a genotype.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

Front

What is the relationship between genotype and phenotype?

Back

Genotype determines the phenotype, which is the observable trait.

Tags

NGSS.HS-LS3-1

Front

What is an example of a dominant trait?

Back

Brown eyes (if brown is dominant over blue).

Tags

NGSS.HS-LS3-1