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Human Genetics Clicker Review
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1. What are somatic cells? Body cells with 23 chromosomes
Sex Cells with 46 chromosomes Body cells with 46 chromosomes Sex cells with 23 chromosomes [Default] [MC Any] [MC All]
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2. This is a Dominant pedigree. What is the Genotype of individual II-2
RR rr Rr R? [Default] [MC Any] [MC All]
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3. What’s the disorder? Turner Klinefelter Down syndrome Nothing
[Default] [MC Any] [MC All]
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4. What sex chromosome(s) do(es) sperm cells contain?
Y X or Y X and Y [Default] [MC Any] [MC All]
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5. What’s the disorder? Down syndrome Trisomy 21 Trisomy 15 Nothing
[Default] [MC Any] [MC All]
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6. What are autosomes and how may do we have?
Regular chromosomes and we have 23 pairs Sex chromosomes and we have 2 Sex chromosomes and we have 22 pairs Regular chromosomes and we have 22 pairs Regular chromosomes and we have 2 [Default] [MC Any] [MC All]
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7. This is a recessive pedigree. What is the Genotype of individual I-2
RR rr Rr R? [Default] [MC Any] [MC All]
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8. What is Nondisjunction
When the chromosomes fail to separate during anaphase of meiosis When the chromosomes fail to separate during anaphase of mitosis When the chromosomes separate during anaphase of meiosis When the chromosomes separate during anaphase of mitosis
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9. This is a recessive pedigree
9. This is a recessive pedigree. What is the Genotype of individual III-2 RR rr Rr R?
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10. What is this picture called?
pedigree nondisjunction autosome karyotype
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11. What two things can this picture tell you?
The sex of the baby and any sex-linked disorder The sex of the baby and the presence of any number disorder If it has an autosomal disorder or a numbers disorder If the baby has any sex-linked disorders or autosomal disorders
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12. If one of your parents is blood type A and the other is type B, which of the following blood types would you likely be? A B O AB All of the above
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13. What is this called? pedigree nondisjunction autosome karyotype
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14. This is a Dominant pedigree
14. This is a Dominant pedigree. What is the Genotype of individual III-5 RR rr Rr R?
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15. A mother of known blood type A has a child whose blood turns out to be B. From this it follows that the mother Must really have the blood type AB Is heterozygous for the trait Is homozygous for the trait Could have several possible genotypes
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16. This is a recessive pedigree
16. This is a recessive pedigree. What is the Genotype of individual II-2 RR rr Rr R?
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17. Which disorder is characterized by symptoms that don’t show until 30’s & 40’s, it is the deterioration of nervous system? Hemophilia Huntington’s Duchene’s Muscular Dystrophy Cystic Fibrosis [Default] [MC Any] [MC All]
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18. If a lady who is a carrier for Duchenne’s marries a man who does not have it, what are possible the genotypes of their offspring? DD or Dd XDY XdY XDXD XDXd All except A [Default] [MC Any] [MC All]
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19. What are the chances of having a child with Achondroplasia when you cross a dad who is heterozygous with a mom who doesn’t have it? 0% 25% 50% 100% [Default] [MC Any] [MC All]
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20. Which of the following is Not Sex-linked?
Color Blindness Huntingtons Duchenne’s MD Hemophilia [Default] [MC Any] [MC All]
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21. This pedigree is for hemophilia What is the genotype of # 15
HH hh XHY XhY XHX? [Default] [MC Any] [MC All]
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22. This pedigree is for hemophilia What is the genotype of # 6
HH hh XHY XhY XHX? [Default] [MC Any] [MC All]
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23. Which disorder is characterized by excess mucus production in the lungs and the digestive system? Hemophilia Huntington’s Duchene’s Muscular Dystrophy Cystic Fibrosis [Default] [MC Any] [MC All]
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24. What are the chances of having a child with cystic fibrosis when you cross a dad who is heterozygous with a mom who is homozygous dominant? 0% 25% 50% 100% [Default] [MC Any] [MC All]
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25. This pedigree is for hemophilia What is the genotype of # 5
HH hh XHY XhY XHX? [Default] [MC Any] [MC All]
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26. If dad is color blind and mom is a carrier, what is the probability that they will have a color blind daughter? 0% 25% 50% 100% [Default] [MC Any] [MC All]
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Answers C D A E B F
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