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      Home > Quizzes and Fun Tests > Biological Quizzes > Genetics Quiz IV

 Genetics Quiz IV

Welcome to the QuizMoz Genetics Quiz IV. QuizMoz offers one of the Internet's largest collection of quizzes for you to tease your brain and pit your wits against the experienced QuizMoz quiz masters. Go ahead and find out what you know about yourself and the world around you. Best of luck!!

 Genetics Quiz IV Facts
 Average Score for this quiz: 28%
 No of times this quiz has been taken: 43
 No of people passing this quiz: 6
 No of people failing this quiz: 37
 Maximum score for this quiz: 83%

Coverage : Genetics Quiz IV tests your knowledge about patterns of inheritance and genetic disorders.

1. In a genetic disorder that has autosomal recessive inheritance:
a.If both parents are homozygous, 100% of the children will be homozygous recessive
b.If both parents are homozygous, 75% of the children will be homozygous recessive
c.If both parents are heterozygous, 50% of the children will be heterozygous
d.If both parents are heterozygous, 25% of the children will be homozygous recessive
 
2. In a genetic disorder that has autosomal dominant inheritance, if one parent is heterozygous and one is homozygous recessive what are the chances that the offspring will show the genetic disorder?
a.25%
b.50%
c.75%
d.100%
 
3. Which of the following are examples of genetic disorders with autosomal dominant inheritance?
a.Huntington disorder (nervous system disorder)
b.Achondroplasia (limb development disorder)
c.Progeria (Aging disorder)
d.Galactosemia (lactose breakdown disorder)
 
4. From a pedigree, how would you guess that inheritance of a genetic disorder were X-linked recessive?
a.Males exhibit phenotype more often than females
b.Females exhibit phenotype more often than males
c.Son cannot inherit the recessive allele from father
d.Daughter cannot inherit the recessive allele from father
 
5. Which of the following would occur in an X-linked dominant inheritance disorder?
a.Son cannot inherit the dominant allele for the trait from father
b.Daughter cannot inherit the dominant allele for the trait from father
c.Homozygous recessive females exhibit trait
d.Heterozygous females exhibit trait
 
6. Even though humans are not good for linkage mapping through crosses, they are good for genetic studies through:
a.Molecular studies of genes
b.Family histories
c.Pedigrees
d.Genetic manipulation
 
7. A genetic disorder is not always a genetic disease.
a.True
b.False
 
8. Which of the following types of inheritance can result in human genetic disorders?
a.Autosomal recessive
b.Autosomal dominant
c.Sex-linked
d.Changes in chromosome structure or number
 
9. The terms “genetic abnormality” and “genetic disorder” mean the same thing and are interchangeable.
a.True
b.False
 
10. When a person is born with six toes, it is probably due to:
a.A mutation
b.A genetic disorder
c.A genetic abnormality
d.An uncommon version of that trait
 
11. Why is the exhibition of phenotypes due to genetic disorders uncommon in populations?
a.The harmful allele my be incompletely dominant and its effects masked
b.Many of the affected individuals die
c.The harmful allele is always dominant
d.The harmful allele can be recessive
 
12. Why don’t genetic disorders disappear from populations?
a.The genes for the traits can be carried by heterozygotes
b.The genes for the traits can be reintroduced through mutation
c.The genes for the traits can only be carried by homozygotes
d.The genes for any trait will always remain in a population
 
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