Deck 17: Genetic Disorders

Question 1

Tay-Sachs disease, sickle cell anemia, and cystic fibrosis are all examples of __________.

A) multifactorial genetic disorders
B) single-gene disorders
C) mitochondrial genetic disorders
D) chromosomal disorders

Answer 1

B

Question 2

An example of a multifactorial genetic disorder is __________.

A) Barth's syndrome
B) fragile X syndrome
C) spina bifida
D) phenylketonuria (pku)

Answer 2

C

Question 3

An example of a chromosomal abnormality involving too many chromosomes is trisomy 21, which is more commonly known as __________.

A) Barth's syndrome
B) fragile X syndrome
C) Turner syndrome
D) Down syndrome

Answer 3

D

Question 4

The most widely known of the sex-linked disorders involves a condition in which the blood does not clot properly, known as __________.

A) hemophilia
B) phenylketonuria (pku)
C) Turner syndrome
D) Barth's syndrome

Question 5

In the population of the United States, __________ is the most severe genetic disease of childhood.

A) cystic fibrosis (CF)
B) Down syndrome
C) spina bifida
D) hemophilia

Question 6

___________ produces distinctive facial features, small hands and oral cavity, and varying degrees of mental retardation.

A) Turner syndrome
B) Fragile X syndrome
C) Barth's syndrome
D) Down syndrome

Question 7

__________ is the most common inherited cause of mental impairment.

A) Turner syndrome
B) Fragile X syndrome
C) Barth's syndrome
D) Down syndrome

Question 8

Color blindness is a sex-linked trait attributed to the Y chromosome.

Question 9

Mitochondrial disorders like Barth's Syndrome involve malfunction of cells that regulate energy conversion, which leads to the production of free radicals that act like a poison inside the body, further damaging the mitochondria and, therefore, the organ systems.

Question 10

Sickle-cell anemia mainly affects people of Asian descent.

Question 11

Sex-linked disorders refer to sexually transmitted diseases.