BIO201_MH_V3 Topic 4: Genetics Graded quiz answered 2021
BIO201_MH_V3 Topic 4: Genetics Graded quiz answered 2021 Question 1 The presence of a cellular clock, presence of "death genes" and damage to DNA or mitochondria are all theories of _____. Select one: a. aging b. death c. differentiation d. cleavage Question 2 In Which of the following is an example of incomplete dominance? Select one: a. minor thalassemia b. major thalassemia c. beta thalassemia d. polymorphism e. ABO blood groups Question 3 What term describes the inheritance of a trait which in the heterozygote has an intermediate expression between either allele? Select one: a. Incomplete penetrance b. Incomplete dominance c. Complete dominance d. Codominance Question 4 When more than one gene pair is involved in an inheritance pattern, it is called Select one: a. structural gene. b. autosome. c. genotype. d. polygenic. e. y-linked. Question 5 The actual genetic constitution of an individual is its Select one: a. structural gene. b. autosome. c. genotype. d. polygenic. e. y-linked. Question 6 A non-albino female who is a carrier for the albino allele (Aa), mates with an albino (aa) male. What is the probability that their children will be albino? Select one: a. 0% b. 25% c. 50% d. 75% e. 100% Question 7 If an albino (aa) mates with a person homozygous for normal pigment (AA), Select one: a. half of the offspring are normal. b. half of the offspring are albinos. c. all offspring are homozygous normal. d. all offspring are albinos. e. All the offspring are normal but carriers. Question 8 Chromosomes that are NOT associated with sex determination are known as Select one: a. structural genes. b. autosomes. c. genotypes. d. polygenic. e. y-linked. Question 9 The genotype WW is best described as Select one: a. homozygous recessive. b. homozygous dominant. c. heterozygous dominant. d. heterozygous recessive. e. homorecessive. Question 10 A person's height, intelligence, eye color, and skin color are examples of Select one: a. incomplete dominance. b. complete dominance. c. complete recessiveness. d. codominance. e. polygenic traits. Question 11 Genes that are passed from male to male are called Select one: a. structural genes. b. autosomes. c. genotypes. d. polygenic. e. y-linked. Question 12 A different form of an allele at a particular locus that can have no effect to major effects on the phenotype is a(n) Select one: a. allelic variant. b. mutated allele. c. polymorphism. d. All of the choices are . Question 13 What genetic disorder is caused by having three chromosomes 21? Select one: a. albinism b. sickle-cell disease c. hemophilia d. Down syndrome e. achondroplasia Question 14 Which of the following chromosome anomalies can be found in either sex? Select one: a. Turner's Syndrome (XO) b. Klinefelter's Syndrome (XXY) c. Down Syndrome (Trisomy 21) d. Barker's Syndrome e. They all can be found in either sex. Question 15 A mistake during segregation of chromosomes is called Select one: a. deletion. b. duplication. c. nondisjunction. d. point mutation. e. aneuploidy Question 16 A mutation involving a single nucleotide is a _____ mutation. Select one: a. deletion b. duplication c. nondisjunction d. point e. aneuploidy Question 17 What genetic disorder is the failure to produce clotting factors? Select one: a. albinism b. sickle-cell disease c. hemophilia d. Down syndrome e. achondroplasia Question 18 What genetic disorder is the inability to produce normal hemoglobin? Select one: a. albinism b. sickle-cell disease c. hemophilia d. Down syndrome e. achondroplasia Question 19 Down Syndrome is an example of an aneuploidy called Select one: a. monosomy 21. b. trisomy 21. c. monosomy 23. d. trisomy 17. e. disomy 21. Question 20 What genetic disorder is a type of dwarfism characterized by shortening of the upper and lower limbs? Select one: a. albinism b. sickle-cell disease c. hemophilia d. Down syndrome e. achondroplasia
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bio 201 quiz 4
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bio201mhv3 topic 4 genetics graded quiz answered 2021
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bio201 topic 4 genetics graded quiz
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