Heredity and Genetic Review

What is a trait that will only exhibit when the dominant allele is not present.

• DNA

• Dominant

• Recessive

If you cross a white flower (pp) with a purple flower (PP), the possible genotypes of the offspring are

• PP and pp

• All Pp

• All PP

• All pp

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If you crossed a PP (purple) with a pp (white), what would the phenotypes be?

• all white

• all tall

• all purple

• 1/2 white, 1/2 purple

Tags

NGSS.HS-LS3-1

The organism's appearance is known as its

• heredity

• pedigree

• phenotype

• genotype

If you cross two rabbits that have the genotype Bb, how many possible genotypes can be found in the offspring?

• one

• two

• three

• four

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

_____________ describes a trait that covers over, or masks another form of that trait.

• recessive

• gene

• allele

• dominant

_________________ describes a trait that is covered over, or masked by another form of that trait.

• dominant

• punnett

• recessive

• gene

The letters representing the phenotype is called

• phenotype

• genotype

Different forms of a gene are called

• alleles

• traits

Tags

NGSS.HS-LS3-2

Two of the same alleles of the gene for a certain trait

• heterozygous

• homozygous