Genetics Practice Quiz

Genes are made up of how many alleles?

• One

• Two

• Three

• Four

What does the genetic cross tell us about the parents' appearance?

• Genotype

• Phenotype

• Allele

• Chromosome

Tags

NGSS.HS-LS3-1

What are the eye color possibilities for children if the parents have genotypes Bb and BB, if B=brown & b=blue?

• 100% Blue Eyes

• 50% Brown Eyes, 50% Blue Eyes

• 100% Brown Eyes

• 75% Brown Eyes, 25% Blue Eyes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

In a genetic cross, what does the term "phenotype" refer to?

• Genetic makeup

• Physical appearance

• Chromosome number

• DNA sequence

If a pink snapdragon (RW) is crossed with a white snapdragon (WW), what would you expect the flower colors of the offspring to be?

• 100% Red

• 100% White

• 50% Pink, 50% White

• 25% Red, 75% White

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the flower color of the offspring when a red snapdragon (RR) is crossed with a white snapdragon (WW)?

• 100% Red

• 100% White

• 100% Pink

• 50% Red, 50% White

Tags

NGSS.HS-LS3-1

What is the significance of the pink phenotype in snapdragons?

• It indicates complete dominance

• It indicates a recessive trait

• It indicates incomplete dominance

• It indicates co-dominance

What does incomplete dominance result in, according to the text?

• Intermediate (mixure) phenotype

• Dominant phenotype

• Recessive phenotype

• No phenotype

Which characteristic would most likely be inherited by a baby?

• brown hair
• crying a lot
• ability to jump high
• his ability to talk

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The passing on of genetic traits from parents to children or offspring.

• Nurture

• Heredity

• Environment

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2