Genetics Test 2025

Different forms of a gene.

• Alleles

• Chromosomes

• Genotype

• Phenotype

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Having two identical recessive alleles.

• Homozygous Dominant

• Heterozygous

• Homozygous Recessive

• Phenotype

What are the possible genotypes for this cross?
(Click the picture to see it without the text)

• TT = 25% Tt= 50% tt=25%
• all tall
• TT= 75% tt = 25%
• Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the phenotype percentages of the offspring?

(A-Brown fur color; a-white fur color)

• 50 % Brown fur and 50% White fur

• 25 % Brown fur and 75% White fur

• 75 % Brown fur and 25% White fur

• 0% Brown fur and 100% White fur

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Passing of traits from parents to offspring.

• Heredity

• Evolution

• Genetics

• Phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

T - tall and t = short

In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1

Genetic makeup that codes for a phenotype such as TT, Tt, or tt

• Genotype

• Trait

• Phenotype

• Punnett squre

Tags

NGSS.HS-LS3-2

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

An allele that masks the expression of another allele.

• dominant

• recessive

• homozygous

• heterozygous

Having two identical alleles.

• Homozygous

• Heterozygous

• Dominant

• Recessive