Question 1

A characteristic passed down from parent to offspring is called a

Accepted Answer

trait.

Answer

DNA.

Answer

allele.

Answer

chromosome.

Question 2

The passing of traits from parents to offspring is called

Accepted Answer

heredity.

Answer

meiosis.

Answer

asexual reproduction.

Answer

genetics.

Question 3

Which is true about dominant and recessive alleles?

Accepted Answer

Dominant alleles will always show up when present.

Answer

Dominant alleles will only show up if the recessive alleles are absent.

Answer

Recessive alleles will never be expressed in the offspring.

Answer

Dominant alleles are represented by lowercase letters.

Question 4

Which is true about phenotype and genotype?

Accepted Answer

Phenotype is the physical appearance of a trait.

Answer

Phenotype is represented by letters.

Answer

Genotype is the physical appearance of a trait.

Answer

Genotype is a description of what someone looks like.

Question 5

Which is true about homozygous and heterozygous genotypes?

Accepted Answer

Homozygous is the same alleles.

Answer

Heterozygous is the same alleles.

Answer

Heterozygous is represented by capital letters.

Answer

Homozygous is different alleles.

Question 6

Which is an example of a phenotype?

Accepted Answer

red flower

Answer

rr

Answer

RR

Answer

Rr

Question 7

Which is an example of a genotype?

Accepted Answer

rr

Answer

red flower

Answer

white flower

Answer

pink flower

Question 8

Which is an example of a homozygous dominant genotype?

Accepted Answer

TT

Answer

rr

Answer

Tt

Answer

tt

Question 9

Which is an example of a heterozygous genotype?

Accepted Answer

Tt

Answer

tt

Answer

TT

Answer

RR

Question 10

Which is an example of a homozygous recessive genotype?

Accepted Answer

tt

Answer

RR

Answer

TT

Answer

Tt

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