Old4 - H2024. The fusion of two haploid gametes produces a...

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H2024. The fusion of two haploid gametes produces a single diploid cell called a(n): a) zygote. b) autosome. c) wild-type. d) complement. H2035. A parental line is “true breeding” if: a) it is homozygous for gene or genes of interest. b) it possesses only dominant alleles for the gene or genes of interest. c) it is heterozygous for gene or genes of interest. d) it possesses only recessive alleles for gene or genes of interest. H2038. What is the purpose of gel electrophoresis? a) Separate round from wrinked peas. b) Determine wildtype. c) Separate DNA molecules by size. d) Inactivate enzymes. H2040. What is an F2 generation? a) The progeny produced by the self-fertilization of the F1 generation. b) The progeny produced by the cross-fertilization of the P1 and P2 generation. c) The progeny produced by the test-cross of the F1 generation. d) The progeny produced by the self-fertilization of the P1 generation. H2042. The fusion of two haploid gametes produces a single diploid cell called a __ zygote _____. Consider the pedigree chart to the right. There are two affected individuals: I-2 and III-2. H3102. (lab) If the trait is hemophilia A, what is the chance that II-2 is a carrier? ____ 0 _____ What is the chance that II-3 is a carrier? ____ 1 ______ H2044. (lab) Which of the following would be an example of a dihybrid testcross? a) AA BB x aa bb .. b) Aa Bb x aa bb . c) Aa Bb x Aa Bb .. d) Aa bb x aa Bb .. H2053. (lab) If the trait is albinism, what is the chance that II-4 is a carrier? ___ 1 _____ That III-1 is a carrier? ___ 1/2 _____ H2043. A man and a woman have two children. One has phenylketonuria; the other does not. What is the chance that The normal child is a carrier? _____ 2/3 _______ H2045. What is the phenotypic ratio for the F2 progeny of a dihybrid segregating for two unrelated genes? 1 I 1 2 II 1 2 3 4 III 1 2
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a) 3:1 b) 1:2:1 c) 9:7 d) 9:3:3:1 H2047. Which of these principles was determined by Gregor Mendel? a) Central dogma b) Genetic linkage c) Independent assortment d) Chromosomal theory of inheritance H2052. Woody Guthrie died of Huntington disease, which is inherited by a dominant autosomal (not X-linked) mutant allele. The disease usually is not apparent until after age 30 or even later. Woody had a son, Arlo, who also became a successful musician. If Arlo had a child as a young man (say about 25 years old), what was the chance that this child would inherit the bad allele? ______1/4_________ Arlo is 57 years old and free of the disease. What now is the chance that this same child has inherited the disease? ______0__________ H2052. Woody Guthrie died of Huntington disease, a rare genetic disorder caused by a single dominant allele. If he had one child, what are the chances of that child getting that disease? __
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Old4 - H2024. The fusion of two haploid gametes produces a...

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