BIO Chapter 15 Test Review

What two letter identify a female

• YY

• XY

• XX

• YX

What letters identify a male

• XX

• YY

• XY

• YX

The approximate probability that a human will be a female is

• 25%

• 50%

• 75%

• 100%

The approximate probability that a human offspring will be a male is

• 25%

• 50%

• 75%

• 100%

The probability that a human sperm cel will carry an X chromosome is

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

Colorblindness is more common in males than females because the allele is

• recessive and located on the X chromosome

• recessive and located on the Y chromosome

• dominant and located on the X chromosome

• dominant and located on the Y chromosome

Tags

NGSS.HS-LS3-1

How many chromosomes does a normal human karyotype have?

• 23

• 45

• 46

• 48

_______ are chromosomes that are not sex chromosomes and there are 44

• Sex Chromosome

• Autosomes

• X-Linked Genes

• Human Genome

_______ is a full set of our genetic information

• X-Linked Gene

• Sex Chromosome

• Autosomes

• Human Genome

What type of an allele is Tay Sachs disease?

• Dominant

• Recessive

• Codominant

• None of the above

Tags

NGSS.HS-LS3-2