Unit 7 Genetics Review. 1.) A person that is heterozygous for type B blood has which of the following genotypes? A. I B I B B. I A i C. ii D. I B i

Embed Size (px)

Citation preview

  • Slide 1
  • Unit 7 Genetics Review
  • Slide 2
  • 1.) A person that is heterozygous for type B blood has which of the following genotypes? A. I B I B B. I A i C. ii D. I B i
  • Slide 3
  • 1.) A person that is heterozygous for type B blood has which of the following genotypes? A. I B I B B. I A i C. ii D. I B i
  • Slide 4
  • 2. A diagram that traces the inheritance of a single gene throughout several generations of a family is called A. A karyotype B. A pedigree C. A genetic map D. A genetograph
  • Slide 5
  • 2. A diagram that traces the inheritance of a single gene throughout several generations of a family is called A. A karyotype B. A pedigree C. A genetic map D. A genetograph
  • Slide 6
  • 3. If a female fruit fly homozygous for white eyes (X r X r ) is crossed with a red- eyed male (X R Y), what percent of their offspring who have white eyes? A.0% B.25% C.50% D.75%
  • Slide 7
  • 3. If a female fruit fly homozygous for white eyes (X r X r ) is crossed with a red- eyed male (X R Y), what percent of their offspring who have white eyes? A.0% B.25% C.50% D.75% X R y X r X r X r y X R X r X r y
  • Slide 8
  • 4. A heterozygous man for blood type B marries a woman heterozygous for blood type A. The chance that their first child will have type O blood is A. 0% B. 25% C. 50% D. 75%
  • Slide 9
  • 4. A heterozygous man for blood type B marries a woman heterozygous for blood type A. The chance that their first child will have type O blood is A. 0% B. 25% C. 50% D. 75%
  • Slide 10
  • 5. Sequence the following events of meiosis in the order in which they occur: 1. Homologous chromosomes line up along the equatorial plate 2. Sister chromatids separate from each other 3. The exchange of genetic material with homologous chromosomes 4. Homologous chromosomes separate from each other 5. The end of telophase I leads to haploid cells A.1, 2, 4, 3, 5 B.4, 1, 2, 3, 5 C.3, 1, 4, 5, 2 D.2, 5, 1, 4, 3 E.4, 5, 2, 3, 1
  • Slide 11
  • 5. Sequence the following events of meiosis in the order in which they occur: 1. Homologous chromosomes line up along the equatorial plate 2. Sister chromatids separate from each other 3. The exchange of genetic material with homologous chromosomes 4. Homologous chromosomes separate from each other 5. The end of telophase I leads to haploid cells A.1, 2, 4, 3, 5 B.4, 1, 2, 3, 5 C.3, 1, 4, 5, 2 D.2, 5, 1, 4, 3 E.4, 5, 2, 3, 1
  • Slide 12
  • 6. Meiosis results in A. 2 diploid cells B. 4 diploid cells C. 2 haploid cells D. 4 haploid cells
  • Slide 13
  • 6. Meiosis results in A. 2 diploid cells B. 4 diploid cells C. 2 haploid cells D. 4 haploid cells
  • Slide 14
  • 7. Mitosis results in A. 2 diploid cells B. 4 diploid cells C. 2 haploid cells D. 4 haploid cells
  • Slide 15
  • 7. Mitosis results in A. 2 diploid cells B. 4 diploid cells C. 2 haploid cells D. 4 haploid cells
  • Slide 16
  • 9. What is the goal of meiosis? A.Produce cells with unique genetic material B.Produce genetically identical cells C.Create unique cells by introducing mutations D.Repair and replace damaged cells
  • Slide 17
  • 9. What is the goal of meiosis? A.Produce cells with unique genetic material B.Produce genetically identical cells C.Create unique cells by introducing mutations D.Repair and replace damaged cells
  • Slide 18
  • 10. A man who is heterozygous for curly hair and a woman who is heterozygous for straight hair create a child who has wavy hair. Which type of inheritance pattern is shown? A.Dominance B.Incomplete dominane C.Multiple alleles D.Linkage E.Crossing-over
  • Slide 19
  • 10. A man who is heterozygous for curly hair and a woman who is heterozygous for straight hair create a child who has wavy hair. Which type of inheritance pattern is shown? A.Dominance B.Incomplete dominane C.Multiple alleles D.Linkage E.Crossing-over
  • Slide 20
  • 11. Why are sex-linked disorders most often observed in males? A.The X chromosome only has genes for genetic disorders B.The Y chromosome cannot have genes that cause genetic disorders C.The Y chromosome cant mask alleles on the x chromosome D.The x chromosome has genes only for sex determination
  • Slide 21
  • 11. Why are sex-linked disorders most often observed in males? A.The X chromosome only has genes for genetic disorders B.The Y chromosome cannot have genes that cause genetic disorders C.The Y chromosome cant mask alleles on the x chromosome D.The x chromosome has genes only for sex determination
  • Slide 22
  • 12. What does it mean if someone is a carrier of a disorder A.The person passes on a disorder to another individual through close contact/ exposure B.The person does not have the disorder, but will develop it later in life C.The person does not have the disorder but can pass it on to future generations D.The allele is not passed on due to the Y chromosome activation
  • Slide 23
  • 12. What does it mean if someone is a carrier of a disorder A.The person passes on a disorder to another individual through close contact/ exposure B.The person does not have the disorder, but will develop it later in life C.The person does not have the disorder but can pass it on to future generations D.The allele is not passed on due to the Y chromosome activation
  • Slide 24
  • 13. What is gametogenesis? A.The fertilization of eggs B.The development of polar bodies C.The movement of sperm D.The production of gametes
  • Slide 25
  • 13. What is gametogenesis? A.The fertilization of eggs B.The development of polar bodies C.The movement of sperm D.The production of gametes
  • Slide 26
  • 14. Which of the following cells is a diploid? A.Egg Cell B.Sperm Cell C.Autosome D.Gamete
  • Slide 27
  • 14. Which of the following cells is a diploid? A.Egg Cell B.Sperm Cell C.Autosome D.Gamete
  • Slide 28
  • 15. What is a diploid cell? A.Cell that has one copy of each chromosome B.Cell that has two copies of each chromosome C.Cell that has no chromosomes D.None of the above
  • Slide 29
  • 15. What is a diploid cell? A.Cell that has one copy of each chromosome B.Cell that has two copies of each chromosome C.Cell that has no chromosomes D.None of the above
  • Slide 30
  • 16. What is a haploid cell? A.Cell that has one copy of each chromosome B.Cell that has two copies of each chromosome C.Cell that has no chromosomes D.None of the above
  • Slide 31
  • 16. What is a haploid cell? A.Cell that has one copy of each chromosome B.Cell that has two copies of each chromosome C.Cell that has no chromosomes D.None of the above
  • Slide 32
  • 17. During metaphase 1 of meiosis A.Centromeres of replicated chromosomes line up along the cells equator B.Centromeres divide as sister chromatids move toward opposite poles of the cell C.Homologous chromosome pairs lineup along the cells equator D.Homologous chromosomes move toward opposite poles of the cell
  • Slide 33
  • 17. During metaphase 1 of meiosis A.Centromeres of replicated chromosomes line up along the cells equator B.Centromeres divide as sister chromatids move toward opposite poles of the cell C.Homologous chromosome pairs lineup along the cells equator D.Homologous chromosomes move toward opposite poles of the cell
  • Slide 34
  • 18. Nondisjuction can occur if __________ chromosomes fail to separate during meiosis I. A. homologous B. heterozygous C. defective D. Sex E. Autosome
  • Slide 35
  • 18. Nondisjuction can occur if __________ chromosomes fail to separate during meiosis I. A. homologous B. heterozygous C. defective D. Sex E. Autosome
  • Slide 36
  • 19. At the completion of meiosis II, there are _______ __________daughter cells A.2 haploid B.4 haploid C.2 diploid D.4 diploid
  • Slide 37
  • 19. At the completion of meiosis II, there are _______ __________daughter cells A.2 haploid B.4 haploid C.2 diploid D.4 diploid
  • Slide 38
  • 20. Why must crossing over occur? A.It ensure that all cells underdoing meiosis remain identical B.It assembles the spindle fibers and centrioles C.It is a source of genetic variation D.It creates multiple alleles
  • Slide 39
  • 20. Why must crossing over occur? A.It ensure that all cells underdoing meiosis remain identical B.It assembles the spindle fibers and centrioles C.It is a source of genetic variation D.It creates multiple alleles Pairs of homologous chromosomes exchange segments
  • Slide 40
  • 21. Two heterozygous parents each has a dominant allele for X brown eyes and a recessive allele x for blue eyes. The phenotypic ratio is brown:blue eyes in their children is A. 1:2:1 B. 3:1 C. 9:3:3:1 D. 1:3:1
  • Slide 41
  • 21. Two heterozygous parents each has a dominant allele for X brown eyes and a recessive allele x for blue eyes. The phenotypic ratio is brown:blue eyes in their children is A. 1:2:1 B. 3:1 C. 9:3:3:1 D. 1:3:1
  • Slide 42
  • 22. In humans, meiosis occurs _____ A.Only in the reproductive organs B.In all tissues C.During growth and repair D.All of the above
  • Slide 43
  • 22. In humans, meiosis occurs _____ A.Only in the reproductive organs B.In all tissues C.During growth and repair D.All of the above
  • Slide 44
  • 23. Mitosis is characterized by ____ nuclear divisions A.1 B.2 C.3 D.4
  • Slide 45
  • 23. Mitosis is characterized by ____ nuclear divisions A.1 B.2 C.3 D.4