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Genetics: 2 Quiz

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1. Lagging strand




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2. Law of Independent Assortment




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3. Non-disjunction (Abnormal Chromosome Number)




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4. Conservative model




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5. Watson and Crick's semi-conservative model




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6. 30 nm chromatin fiber




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7. Why fruit flies are a convenient organism for genetic studies?




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8. Why are sex-linked recessive disorders are much more common in males? Give examples of such disorders.




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9. What are Chromosomes according to the Boveri-Sutton chromosome theory?




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10. Is there a possible relationship between telomerase activity and cancer?




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11. Deoxycytidine triphosphate; Nucleotide that supplies cytosine to DNA.




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12. Removal of a chromosomal segment.




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13. The allele that encodes the phenotype most common in a particular natural population is known as the wild type allele. Any form of that allele other than the wild type is known as a mutant form of that allele.




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14. An enzyme that unwinds the double helix of DNA at the replication forks.




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15. A structural unit of a eukaryotic chromosome, consisting of a length of DNA coiled around a core of histones.




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16. Repeats a chromosomal segment.




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17. An enzyme which is responsible in removing the RNA nucleotides of primer from 5' end and replaces them with DNA nucleotides at the lagging strand.




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18. Where the variation of phenotype depends on which parent passed along the alleles for those traits. It is also resulted from the addition of CH3 (methylaton) of DNA.




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19. A zygote with only one copy of a particular chromosome (2n-1)




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20. A condition where an organism has more than two complete sets of choromosomes, either in Triploidy (3n) and Tetraploidy (4n).





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