Bio 110 Final: Chapter 16

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Quiz on Bio 110 Final: Chapter 16, created by Christina Marshall on 13/12/2017.
Christina Marshall
Quiz by Christina Marshall, updated more than 1 year ago
Christina Marshall
Created by Christina Marshall almost 7 years ago
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Resource summary

Question 1

Question
Based on Mendel's experimental crosses, what is the expected F2 phenotype ratio of a single factor cross?
Answer
  • 1:2:1
  • 2:1
  • 3:1
  • 9:3:3:1
  • 4:1

Question 2

Question
During which phase of nuclear division does Mendel's law of segregation physically occur?
Answer
  • Mitosis
  • Meiosis I
  • Meiosis II
  • All of the above
  • b and c only

Question 3

Question
An individual that has two different alleles of a particular gene is said to be
Answer
  • Dihybrid
  • Recessive
  • Homozygous
  • Heterozygous
  • Hemizygous

Question 4

Question
Which of Mendel's laws cannot be observed in a single-factor cross?
Answer
  • segregation
  • dominance/recessiveness
  • independent assortment
  • codominance
  • All of the above can be observed in a single-factor cross

Question 5

Question
During a ______________ cross, an individual with the dominant phenotype and unknown genotype is crossed with a _____________ individual to determine the unknown genotype.
Answer
  • single-factor, homozygous recessive
  • two-factor, heterozygous
  • test, homozygous dominant
  • single-factor, homozygous dominant
  • Test, homozygous recessive

Question 6

Question
A woman is heterozygous for an X-linked disorder, hemophilia A. If she has a child with a man without hemophilia A, what is the probability that the child will be a male with hemophilia A? (Note: The child could be a male or a female)
Answer
  • 100%
  • 75%
  • 50%
  • 25%
  • 0%

Question 7

Question
A gene that affects more than one trait is said to be
Answer
  • Dominant
  • Wild-type
  • Dihybrid
  • Pleiotropic
  • Heterozygous

Question 8

Question
A hypothetical flowering plant species produces blue, light blue, and white flowers. To determine the inheritance pattern, the following crosses were conducted with the results indicated: blue x blue --> all blue white x white --> all white blue x white --> all light blue
Answer
  • simple Mendelian
  • X-linked
  • codominance
  • incomplete dominance
  • pleiotropy

Question 9

Question
Genes located on a sex chromosomes are said to be
Answer
  • X-linked
  • Dominant
  • Hemizygous
  • Sex-linked
  • autosomal

Question 10

Question
A man and a woman are both heterozygous for the recessive allele that causes cystic fibrosis. What is the probability that their first two offspring will have the disorder?
Answer
  • 1
  • 1/4
  • 1/16
  • 1/32
  • 0
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