Genetics Quiz

In a monohybrid cross between two heterozygous pea plants (Tt x Tt), what is the probability of obtaining an offspring with the genotype TT?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

In a monohybrid cross between a homozygous dominant plant (TT) and a homozygous recessive plant (tt), what is the probability of obtaining an offspring with the phenotype showing the dominant trait?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

In a monohybrid cross between two heterozygous organisms (Bb x Bb), what is the probability of obtaining an offspring with the genotype bb?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-3

In a monohybrid cross between a heterozygous individual (Aa) and a homozygous recessive individual (aa), what is the probability of obtaining an offspring with the genotype Aa?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

In a monohybrid cross between two homozygous recessive individuals (rr x rr), what is the probability of obtaining an offspring with the phenotype showing the recessive trait?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-3

What is the basic unit of heredity that determines a specific trait in an organism?

• Chromosome

• Gene

• DNA

• Protein

Tags

NGSS.HS-LS3-1

Which of the following is an example of a phenotype?

• TT

• Tt

• Tall

• tt

Which type of genetic mutation involves the addition of one or more nucleotide base pairs into a DNA sequence?

• Substitution

• Deletion

• Insertion

• Translocation

Tags

NGSS.HS-LS3-2

Which of the following is an example of a deletion mutation?

• A segment of DNA is removed.

• A segment of DNA is duplicated.

• A segment of DNA is reversed.

• A segment of DNA is inserted.

Tags

NGSS.HS-LS3-2

A couple has three children, all of whom are boys. What is the probability that their next child will be a girl?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-3