Genetics Quiz

Where is genetic information stored in a cell?

• Golgi Apparatus

• Chromosomes

• Genes

• Alleles

Tags

NGSS.HS-LS3-1

How many PAIRS of chromosomes do humans have?

• 20

• 23

• 25

• 46

What is the genetic makeup of an organism called?

• Phenotype

• Genotype

• Allele

• Chromosome

What do uppercase letters represent in genotypes?

• Recessive alleles

• Dominant alleles

• Phenotypes

• Chromosomes

Which of the following is an example of a heterozygous genotype?

• TT

• Tt

• tt

• TTT

In a Punnett Square for Tt x Tt, what is the percentage of offspring with the genotype Tt?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-3

Which of the following describes codominance?

• Both alleles are completely dominant.

• One allele is dominant, and the other is recessive.

• Neither allele is expressed.

• Both alleles are partially expressed.

What is the genotype for homozygous recessive?

• TT

• Tt

• tt

• TTT

Which of the following is NOT a polygenic trait?

• Eye color

• Height

• Skin color

• Blood type

What is an example of a trait influenced by multiple genes?

• Blood type

• Eye color

• Hair length

• Fingerprint pattern