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Biology 101 Chapters 15 Thru 19

18 Questions  I  By Silversorrow
Biology Quizzes & Trivia
Chromosomal basis of inheritance, DNA from Gene to Protein, genetics of viruses and bacteria

  
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Question Excerpt

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1.  The chromosome theory of inheritance states that _____.
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B.
C.
D.
2.  If two genes are linked, _____.
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B.
C.
D.
E.
3.  What is the probability that a male will inherit an X-linked recessive allele from his father?
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B.
C.
D.
E.
4.  In an X-linked, or sex-linked, trait, it is the contribution of _____ that determines whether a son will display the trait.
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B.
C.
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E.
5.  If a mother is heterozygous for a recessive sex-linked trait and her husband has the dominant allele, which one of the following is true about the probabilities for their children?
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B.
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D.
E.
6.  A woman is a carrier for red-green color blindness, a sex-linked trait. Her husband is normal (not color-blind) for this trait. What are the chances that their newborn daughter will be red-green color-blind?
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B.
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7.  Cells that have more than two complete sets of chromosomes are termed _____.
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B.
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E.
8.  Which one of the following is the only known viable human monosomy?
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B.
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9.  It is proposed that a certain disorder affecting the inner ear is caused by mitochondrial DNA. Which of the following observations would be the most decisive evidence against this idea?
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B.
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10.  A color-blind woman mates with a male with normal color vision. Which of these results would indicate that color blindness is caused by an X-linked recessive allele?
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B.
C.
D.
E.
11.  Color blindness is an X-linked recessive trait. A color-blind man has a daughter with normal color vision. What is the genotype of the daughter?
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12.  Color blindness is an X-linked recessive trait. Under what conditions can an unaffected male have a color-blind daughter?
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B.
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13.  Humans are diploid and have 46 chromosomes (or two sets). How many sets of chromosomes are found in each human gamete?
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B.
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14.  Humans are diploid and have 46 chromosomes. How many chromosomes are found in each human gamete?
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B.
C.
D.
E.
15.  _____ is the process by which haploid gametes form a diploid zygote.
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B.
C.
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16.  Which of these terms applies to an organism with extra sets of chromosomes?
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B.
C.
D.
E.
17.  Give an example of monosomy.
18.  Give an example of trisomy.
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