Genetics and Punnett Squares Exploration

Who is considered the father of genetics?

• James Watson

• Gregor Mendel

• Charles Darwin

• Francis Crick

What do we call the physical expression of a trait?

• Allele

• Gene

• Genotype

• Phenotype

If a plant has the genotype 'Tt', what is its phenotype if 'T' is dominant for tall?

• Short

• Medium

• Tall

• Cannot be determined

What tool is used to predict the possible genotypes of offspring?

• Karyotype

• Pedigree Chart

• Genetic Map

• Punnett Square

Tags

NGSS.MS-LS3-2

In a Punnett square, what does a capital letter represent?

• Recessive allele

• Dominant allele

• Homozygous trait

• Heterozygous trait

If a rat has the genotype 'Aa', what is its phenotype if 'A' is dominant for agouti fur?

• Agouti fur

• White fur

• Gray fur

• Black fur

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the probability of offspring having dimples if one parent is heterozygous (Dd) and the other is homozygous recessive (dd)?

• 100%

• 25%

• 75%

• 50%

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

What genotype must a person have to express a recessive trait?

• Homozygous dominant

• Hybrid

• Homozygous recessive

• Heterozygous

If both parents are heterozygous for brown eyes (Bb), what is the probability of having a child with blue eyes?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-3

What is the term for having two identical alleles for a trait?

• Heterozygous

• Homozygous

• Dominant

• Recessive