Genetics Unit Review

What is the correct genotype to fill in the missing square?

• NN

• Nn

• nn

• NnNn

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If two parents have blood type AO and AB, which blood type could their children NOT have?

• BO

• AB

• OO

• AA

Tags

NGSS.HS-LS3-1

According to this pedigree, the red trait is...

• dominant

• recessive

According to this pedigree, the purple trait is ...

• dominant

• recessive

Tags

NGSS.HS-LS3-1

Brown eyes is dominant to blue eyes. Which genotype would give brown eyes?

• BB

• Bb

• bb

• BB and Bb

Tags

NGSS.HS-LS3-1

Which answer best describes sexual reproduction?

• offspring are identical to the parents

• offspring come from one parent

• offspring come from two parents

• offspring have twice as much DNA as their parents

Tags

NGSS.MS-LS3-2

Which of the following best describes asexual reproduction?

• offspring is identical to one parent

• sperm fertilizes the egg

• offspring is a combination of two parents

• offspring is genetically unique

Tags

NGSS.MS-LS3-2

The pollen from one flower lands on another flower to fertilize the seed. This is an example of...

• sexual reproduction

• asexual reproduction

Tags

NGSS.MS-LS3-2

Which statement correctly shows how genes and chromosomes are related?

• chromosomes are made of DNA, but genes are not

• chromosomes are found on genes

• genes are located inside the nucleus and chromosomes are not

• genes are found on chromosomes

What is the probability that the offspring will have recessive blue eyes?

• 1/4

• 2/4

• 3/4

• 4/4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3