A Quiz On Applied Genetics For Intellectuals Quiz
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- 1.A normal human diploid zygote contains a full set of
- A.
23 chromosomes
- B.
44 chromosomes
- C.
46 chromosomes
- D.
XXY chromosomes
- 2.A chart that traces the inheritance of a trait in the family is called a (an)
- A.
Pedigree
- B.
Karyotype
- C.
Genome
- D.
Autosome
- 3.Traits that are caused by the interaction of many genes are said to be
- A.
Polyploid
- B.
Linked
- C.
Polygenic
- D.
Autososmal
- 4.An example of a trait that is caused by multiple alleles
- A.
Huntington's Disease
- B.
ABO blood groups
- C.
Down Syndrome
- D.
Hemophilia
- 5.Most sex-linked genes are found on the
- A.
Y chromosome
- B.
O chromosome
- C.
YY chromosomes
- D.
X chromosome
- 6.Hemophilia is a genetic disorder that is
- A.
Sex-linked
- B.
Sex-influenced
- C.
Fairly common
- D.
More common in women than men
- 7.Which parental pair could produce females with colorblindness
- A.
Homozygous normal-vision mother, father with colorblindness
- B.
Mother with colorblindness, father with normal vision
- C.
Heterozygous normal-vision mother, normal vision father
- D.
Heterozygous normal-vision mother, father with colorblindness
- 8.A common genetic disorder characterized by bent and twisted red blood cells is
- A.
Cystic fibrosis
- B.
Hemophilia
- C.
Sickle cell disease
- D.
Muscular dystrophy
- 9.A student traced a widow's peak hairline in her family. Having a widow's peak is dominant to not having a widow's peak. What is the genotype of a mother who is heterozygous for having a widow's peak and a father who has a widow's peak?
- A.
Mother - Ww, Father - WW
- B.
Mother - ww, Father - ww
- C.
Mother - WW, Father - Ww
- D.
Mother - WW, Father - WW
- 10.
- A.
A dominant genetic diosorder is expressed only if the individual has two copies of the gene.
- B.
A dominant genetic disorder is not expressed
- C.
A recessive geneticdisorder is expressed if the individual has only one recessive allele.
- D.
A recessive genetic disorder is expressed only if the individual has two recessive forms of the allele.
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