Multiple Choice
The phenotypes associated with Trisomy 21 include which of the following?
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29. Heredity
Genetic Disorders
Back29. Heredity
Genetic Disorders
- Multiple ChoiceWhich of the following is an example of monosomy in humans?137views
- Multiple ChoiceWhich statement correctly describes genetic diseases or disorders?109views
- Multiple ChoiceWhich statement accurately describes Down syndrome?140views
- Multiple ChoiceWhich of the following is not a condition associated with Turner syndrome?111views
- Multiple ChoiceWhy is Duchenne Muscular Dystrophy almost never seen in girls?119views
- Multiple ChoiceAmniocentesis and chorionic villus sampling are both examples of a category of genetic screening called __________.994views
- Multiple ChoiceThe most common form of fetal testing is __________.892views1rank
- Multiple ChoiceA karyotype is a complete __________.1637views1rank
- Multiple ChoiceHeterozygous individuals that can pass on recessive, abnormal conditions even if they do NOT express the disease are referred to as __________.1209views
- Multiple Choice
If a genetic counselor was examining a pedigree chart and noticed an occurrence of a disease in every generation, the counselor would most likely assume that the disease was caused by:
84views - Multiple Choice
Women with X-linked disorders always pass the genes for the disorder on to ______. While men with X-linked disorders always pass the genes for the disorder on to _______.
105views - Open Question
Most children with cystic fibrosis are born to normal parents. Children with cystic fibrosis are homozygous for the recessive gene (cc). What can you conclude about the genotypes of the normal parents?
4views - Open Question
The Browns are both carriers of the recessive allele that causes the metabolic disorder called phenylketonuria. What is the probability of each of the following occurring?
(a) All three children will have the disorder.
(b) None of their three children will have the disorder.
(c) One or more of their children will have the disorder.
(d) At least one of their children will be phenotypically normal.
6views - Open Question
A color-blind man marries a woman with normal vision. The woman’s father was also color-blind.
(a) What is the chance that their first child will be a color-blind son? A color-blind daughter?
(b) If they have four children, what is the chance that two will be color-blind sons? (Be careful on this one.)
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