Understanding Genetics and Heredity

What is the term for the passing of physical traits from parents to offspring?

• Genetics

• Heredity

• Phenotype

• Genotype

Tags

NGSS.MS-LS3-2

Which of the following represents a recessive trait?

• T

• D

• t

• TT

What is the study of heredity called?

• Phenotype

• Genetics

• Genotype

• Homozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

• Homozygous

• Heterozygous

• Purebred

• Recessive

What does a Punnett Square help predict?

• The physical appearance of a trait

• The possible genotypes and phenotypes of offspring

• The dominant trait

• The recessive trait

Which of the following is a phenotype?

• Tt

• TT

• Tall

• tt

Tags

NGSS.MS-LS4-4

If both parents are heterozygous (Tt), what is the probability of the offspring showing the dominant trait?

• 50%

• 25%

• 75%

• 100%

Tags

NGSS.HS-LS3-3

Which of the following genotypes is homozygous?

• Tt

• TT

• tT

• Tt

What is the physical appearance of a trait called?

• Genotype

• Phenotype

• Homozygous

• Heterozygous

In a Punnett Square, where are the parents' alleles placed?

• Inside the box

• Outside the box

• On the diagonal

• In the center