STAAR Biology Genetics

The offspring of many generations that have the SAME traits.

• Purebred

• Hybrid

• Dominant allele

• Recessive allele

An organism that has two different alleles for a trait.

• Purebred

• Hybrid

• Dominant allele

• Recessive allele

The different FORMS of a gene:

• Alleles

• Gene

• Purebred

• Hybrid

A unit that determines traits:

• Trait

• Gene

• Allele

• Probability

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An organism's physical appearance or visible traits:

• Genotype

• Phenotype

An organism's genetic makeup, or allele combination.

• Phenotype

• Genotype

Having two identical (same) alleles for a trait.

• Homozygous

• Heterozygous

Having two different alleles for a trait.

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-3

When the phenotype of the two alleles blend.

• Codominance

• Incomplete Dominance

• Dominant allele

• Recessive allele

Inherited traits that are determined by more than one gene.

• Codominance

• Incomplete Dominance

• Polygenic Traits

• All are incorrect