Variation and Genetics – MDCAT Biology, Chapter 22 Level 3

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Variation and Genetics - Level 3

Chapter 22 - MDCAT Biology - Test Preparation MCQs

Read these Multiple Choice Questions of Variation and Genetics (Biology MDCAT) and start the online test.

  1. Each human being possesses ________ pairs of chromosomcs.23
  2. Rh stands for:Rhesus Factor
  3. When a colour blind male marries a normal female:All sons are colour blind & daughters normal but carriers.
  4. In Erythroblastosis fetalis:Father is Rh positive and mother Rh negative
  5. Suppressive influence of any genetic factor on another that is not its allele is:Epistasis
  6. Traits that are controlled by two or more than two separate pairs of genes, which manifest themselves in an additive fashion to yield continuously varying traits, this is:Polygenic Inheritance
  7. The multiple effects of a single gene or allele are termed:Pleiotropy
  8. ________ pairs of chromosomes found in Drosophila:Four
  9. The tendency of genes in a chromosome to remain together is called:Linkage
  10. During meiosis, the homologous chromosomes come together and form pairs, a process called:Synapsis

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1. The tendency of genes in a chromosome to remain together is called:

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2. In Erythroblastosis fetalis:

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3. Traits that are controlled by two or more than two separate pairs of genes, which manifest themselves in an additive fashion to yield continuously varying traits, this is:

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4. Rh stands for:

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5. The multiple effects of a single gene or allele are termed:

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6. When a colour blind male marries a normal female:

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7. During meiosis, the homologous chromosomes come together and form pairs, a process called:

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8. Suppressive influence of any genetic factor on another that is not its allele is:

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9. Each human being possesses ________ pairs of chromosomcs.

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10. ________ pairs of chromosomes found in Drosophila:

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