SEX-LINKED INHERITANCE QUIZ

Red-green color blindness is an example of a(n) _____________.

• X-LINKED RECESSIVE

• X-LINKED DOMINANT

• Y-LINKED TRAIT

A couple has already had three daughters. What is the chance that the next baby will be a boy?

• 100%

• 50%

• 25%

Males have one X chromosome and one Y chromosome (XY)

• TRUE

• FALSE

• IT DEPENDS

The mother determines the sex of her baby.

• TRUE

• FALSE

• IT DEPENDS

__________ inheritance is the inheritance of traits that are encoded in genes on the sex chromosomes.

• SEX-LINKED

• X-LINKED

• Y-LINKED

• X-LINKED DOMINANT

In ___________, a variant can only be passed from father to son because only males have a Y chromosome.

• Y-LINKED INHERITANCE

• X-LINKED DOMINANT INHERITANCE

• X-LINKED RECESSIVE INHERITANCE

A colorblind male marries a carrier female. What is the chance that their child will be colorblind?

• 50%

• 25%

• 100%

• 75%

Which type of chromosome is the X and Y chromosomes in humans?

• SEX CHROMOSOMES

• AUTOSOMES

• KARYOTYPE

If the father’s sperm carries the Y chromosome, the child will be male. If the father’s sperm carries the X chromosome, the child will be

• FEMALE

• MALE

• MALE OR FEMALE

Referred as the “royal disease” because it affected the royal families of England

• PORCUPINE MAN

• RETT SYNDROME

• HEMOPHILIA

• HYPERTRICHOSIS

  PINNAE AURIS