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Genetics and Molecular Biology: Understanding Inheritance, Mutations, and Protein Synthesis - Document preview page 1

Genetics and Molecular Biology: Understanding Inheritance, Mutations, and Protein Synthesis - Page 1

Document preview content for Genetics and Molecular Biology: Understanding Inheritance, Mutations, and Protein Synthesis

Genetics and Molecular Biology: Understanding Inheritance, Mutations, and Protein Synthesis

A quiz on genetics and molecular biology, covering inheritance patterns, mutations, and protein synthesis mechanisms.

Hunter Harris
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Genetics and Molecular Biology: Understanding Inheritance, Mutations, and Protein Synthesis - Page 1 preview imageGenetics and Molecular Biology: Understanding Inheritance, Mutations, andProtein SynthesisThis quiz will earn you up to 50 points.The deadline for submission is Sunday midnight, February17!I.Multiple choice: Please circle the correct response: (0.5 pt. each=5 pts.)(1) Which of the following is characteristic of DNA replication?a.It occurs in the same manner on both strands of the double helix.b.It always produces three identical copies of DNA.c.It is prone to making frequent errors.d.It involves complementary base pairing.Answer:d.It involves complementary base pairing.(2) Which part of the theory of inheritance did Mendel establish?a.Independent assortment of allelesb.Genes are located on chromosomesc.DNA is the genetic materiald.Blending inheritanceAnswer:a.Independent assortment of alleles(3) How is DNA different from RNA?a. RNA is protein; DNA is nucleic acidb. RNA contains ribose sugar; DNA contains deoxyribose sugar.c. Uracil takes the place of guanine in RNA.d. RNA lacks the phosphate group found in DNA.Answer:b. RNA contains ribose sugar; DNA contains deoxyribose sugar.
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Genetics and Molecular Biology: Understanding Inheritance, Mutations, and Protein Synthesis - Page 3 preview image(4) Genes that are turned on or off in response to specific environmental changes arecalleda.Constitutive genesb.Structural genesc.Regulator genesd.operonsAnswer:c.Regulator genes(5) With incomplete inheritancea.Traits show either dominance or recessivenessb.Heterozygotes are phenotypic intermediatesc.Phenotypic traits have a continuous natured.Genetic counseling is usefulAnswer:b.Heterozygotes are phenotypic intermediates(6) Polygenic inheritance of a trait means thata.The trait is controlled by more than one geneb.Many genes are controlled by more than one trait.c.Many alleles code for a single traitd.Genes for a trait are inherited from more than one parentAnswer:a.The trait is controlled by more than one gene(7) Gene regulation in eukaryotes includes all of the following levels of control except:a. Controls that affect the rate of gene transcription.
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