first quiz CBIO112.docx

first quiz CBIO112.docx - Name section:6 Feb 05/2018 1...

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Name: Feb 05/2018 - section :6 1- Which statement concerning a pair of alleles for a gene controlling a single characteristic in humans is true? a) Both genes come from the father. b) Both genes come from the mother. c) One gene comes from the mother and one gene comes from the father. d) The genes come randomly in pairs from either the mother or father. 2- Normal human eggs have: a) 22 autosomes and an X chromosome. b) 22 autosomes and a Y chromosome. c) 23 autosomes. d) 46 chromosomes. 3- In the F 1 generation of a monohybrid cross, the phenotypic ratio would be: a) 3:1 b) 1:2:1 c) 2:1:1 d) 1:1:2 4- In Turner’s syndrome: a) The cause is a mutation affection the long arm of X chromosome
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  • Spring '14
  • GodwinA.Ananaba
  • 21st chromosome

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