Genetic Disorders

How many total chromosomes are shown in a normal human karyotype?

• 2
• 46
• 44
• 23

The chromosomes that determine all traits, except gender are called:

• Karyotypes
• Autosomes
• Sex Chromosomes

The sex chromosomes of an individual with Klinefelter syndrome are

• XXY
• XY
• XXX
• XX

The results of the karyotype indicate that an individual has 3 chromosome #21. Which of the following genetic disorders do they have?

• Edwards Syndrome
• Patau's Syndrome
• Down's Syndrome
• Klinefelter's Syndrome

• This karyotype shows Trisomy 21
• This karyotype has no abnormality
• This karyotype is missing a sex chromosome
• This karyotype is from a gamete

There are _______ autosomes in humans.

• 2
• 23
• 46
• 44

This disorder results in a female with a single X chromosome.

• Down syndrome
• Turner's syndrome
• Klinefelter's syndrome
• ALS

This disorder results in a male with an extra X chromosome.

• Down syndrome
• Turner's syndrome
• Klinefelter's syndrome
• ALS

If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?

• sex-linked trait
• polygenic trait
• codominant trait
• incomplete dominance trait

Which gender is TYPICALLY affected by sex-linked disorders?

• Men
• Women