Basic Genetics

Dominant alleles mask, or cover up

• genes.

• recessive alleles.

• homozyogous recessive alleles.

• phenotypes.

Genetic makeup is called

• heredity.

• genetics.

• genotype.

• traits.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How an organism looks or acts is its

• phenotype.

• genotype.

• heredity.

• alleles.

Tags

NGSS.HS-LS3-1

A genotype with the same allele is called

• heterozygous.

• homozygous.

• genes.

• heredity.

Tags

NGSS.HS-LS3-2

A genotype with two different alleles is

• traits.

• genes.

• homozygous.

• heterozygous.

Tags

NGSS.HS-LS3-1

Scientists use these to determine the probability of inherited genotypes.

• Mr. Magoo's Insights

• Donkey's Ideas

• Pythagorean Theorem

• Punnett squares

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

Example of a phenotype

• Tt

• rr

• dimples

• TT

Tags

NGSS.HS-LS3-1

Which of these genotypes would be heterozygous?

• Hh

• DD

• LL

• rr

Tags

NGSS.HS-LS3-1

Select all homozygous dominant genotypes shown below.

• AA

• Aa

• aa

• TT

TT is an example of this type of genotype.

• heterozygous

• homozygous

• homozygous recessive

• homozygous dominant

Tags

NGSS.HS-LS3-1