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During asexual reproduction, the genetic material of the parent is passed on to the offspring by A) homologous pairing. B) mitosis and cytokinesis. C)

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Presentation on theme: "During asexual reproduction, the genetic material of the parent is passed on to the offspring by A) homologous pairing. B) mitosis and cytokinesis. C)"— Presentation transcript:

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2 During asexual reproduction, the genetic material of the parent is passed on to the offspring by A) homologous pairing. B) mitosis and cytokinesis. C) meiosis and fertilization. D) meiosis and cytokinesis.

3 During asexual reproduction, the genetic material of the parent is passed on to the offspring by A) homologous pairing. B) mitosis and cytokinesis. C) meiosis and fertilization. D) meiosis and cytokinesis.

4 Which of the following cells is haploid? a) egg cell b) lung cell c) sperm cell d) kidney cell e) a and c f) b and d

5 Which of the following cells is haploid? a) egg cell b) lung cell c) sperm cell d) kidney cell e) a and c f) b and d

6 Which of the following cells is diploid? a) egg cell b) lung cell c) sperm cell d) kidney cell e) a and c f) b and d

7 Which of the following cells is diploid? a) egg cell b) lung cell c) sperm cell d) kidney cell e) a and c f) b and d

8 Which of the following statements is false? A) a typical body cell is called a somatic cell B) gametes are haploid cells C) somatic cells are diploid D) somatic cells are made by meiosis E) a zygote is a fertilized egg

9 Which of the following statements is false? A) a typical body cell is called a somatic cell B) gametes are haploid cells C) somatic cells are diploid D) somatic cells are made by meiosis E) a zygote is a fertilized egg

10 During meiotic cell division, the process in which homologous pairs of chromosomes separate and move apart is known as A) fission B) regeneration C) disjunction D) nondisjunction

11 During meiotic cell division, the process in which homologous pairs of chromosomes separate and move apart is known as A) fission B) regeneration C) disjunction D) nondisjunction

12 An animal cell with 12 chromosomes undergoes normal meiosis. What is the total number of chromosomes in each of the resulting daughter cells? a) 6 b) 8 c) 12 d) 24

13 An animal cell with 12 chromosomes undergoes normal meiosis. What is the total number of chromosomes in each of the resulting daughter cells? a) 6 b) 8 c) 12 d) 24

14 In sexually reproducing organisms, the source of chromosomes in the offspring is A) almost all from one parent, usually the father. B) almost all from one parent, usually the mother. C) half from the father and half from the mother. D) the X comes from the mother and the autosomes come from the father. E) a random mixing of chromosomes from both parents.

15 In sexually reproducing organisms, the source of chromosomes in the offspring is A) almost all from one parent, usually the father. B) almost all from one parent, usually the mother. C) half from the father and half from the mother. D) the X comes from the mother and the autosomes come from the father. E) a random mixing of chromosomes from both parents.

16 Asexual reproduction of diploid organisms normally results in new organisms that contain cells with A) fewer chromosomes than are found in the cells of the parent B) the haploid number of chromosomes C) more chromosomes than are found in the cells of the parent D) the diploid number of chromosomes

17 Asexual reproduction of diploid organisms normally results in new organisms that contain cells with A) fewer chromosomes than are found in the cells of the parent B) the haploid number of chromosomes C) more chromosomes than are found in the cells of the parent D) the diploid number of chromosomes

18 How many total chromosomes are found in a normal gamete (sex cell) of a human? a) 23 b) 32 c) 46 d) 64

19 How many total chromosomes are found in a normal gamete (sex cell) of a human? a) 23 b) 32 c) 46 d) 64

20 Which of the following indicates the types of cells that are produced in humans by meiosis and mitosis? a) body cells (somatic cells ) are produced in both mitosis and meiosis b) body cells are produced in meiosis; gametes in mitosis c) gametes are produced in both meiosis and mitosis d) body cells are produced in mitosis; gametes in meiosis

21 Which of the following indicates the types of cells that are produced in humans by meiosis and mitosis? a) body cells (somatic cells ) are produced in both mitosis and meiosis b) body cells are produced in meiosis; gametes in mitosis c) gametes are produced in both meiosis and mitosis d) body cells are produced in mitosis; gametes in meiosis

22 As the result of normal meiosis, the daughter cells are a) genetically identical to each other but not to the parent cell b) genetically identical to the parent cell but not to each other c) genetically identical to the parent cell and to each other d) identical to neither the parent cell nor to each other

23 As the result of normal meiosis, the daughter cells are a) genetically identical to each other but not to the parent cell b) genetically identical to the parent cell but not to each other c) genetically identical to the parent cell and to each other d) identical to neither the parent cell nor to each other

24 Which of the following is haploid? A) zygote B) embryo C) muscle cell D) gamete

25 Which of the following is haploid? A) zygote B) embryo C) muscle cell D) gamete

26 Which statement concerning the reproductive cells in the diagram below is correct? A) The cells are produced by mitosis and contain all the genetic information of the father B) If one of these cells fertilizes an egg, the offspring will be identical to the father C) Each of these cells contains only half the genetic information necessary for the formation of an offspring D) An egg fertilized by one of these cells will develop into a female with the same characteristics as the mother

27 Which statement concerning the reproductive cells in the diagram below is correct? A) The cells are produced by mitosis and contain all the genetic information of the father B) If one of these cells fertilizes an egg, the offspring will be identical to the father C) Each of these cells contains only half the genetic information necessary for the formation of an offspring D) An egg fertilized by one of these cells will develop into a female with the same characteristics as the mother

28 Which process is represented in the diagram? A) budding B) mitosis C) fertilization D) meiosis

29 Which process is represented in the diagram? A) budding B) mitosis C) fertilization D) meiosis

30 Identical twins develop from A) two eggs fertilized by one sperm cell B) two zygotes that fuse during cleavage C) one fertilized egg that divides in two D) one egg fertilized by two sperm cells

31 Identical twins develop from A) two eggs fertilized by one sperm cell B) two zygotes that fuse during cleavage C) one fertilized egg that divides in two D) one egg fertilized by two sperm cells

32 As the result of normal mitosis, the daughter cells are a) genetically identical to each other but not to the parent cell b) genetically identical to the parent cell but not to each other c) genetically identical to the parent cell and to each other d) identical to neither the parent cell nor to each other

33 As the result of normal mitosis, the daughter cells are a) genetically identical to each other but not to the parent cell b) genetically identical to the parent cell but not to each other c) genetically identical to the parent cell and to each other d) identical to neither the parent cell nor to each other

34 Most humans have 22 pairs of ________________ and one pair of ___________________. A) somatic chromosomes, gamete chromosomes B) autosomes, sex chromosomes C) gamete chromosomes, somatic chromosomes D) sex chromosomes, autosomes

35 Most humans have 22 pairs of ________________ and one pair of ___________________. A) somatic chromosomes, gamete chromosomes B) autosomes, sex chromosomes C) gamete chromosomes, somatic chromosomes D) sex chromosomes, autosomes

36 Diploid cells of the fruit fly Drosophila have 10 chromosomes. How many chromosomes does a Drosophila gamete have? A) one B) two C) five D) ten E) twenty

37 Diploid cells of the fruit fly Drosophila have 10 chromosomes. How many chromosomes does a Drosophila gamete have? A) one B) two C) five D) ten E) twenty

38 How many total chromosomes are found in a normal body cell (somatic cell) of a human? a) 23 b) 32 c) 46 d) 64

39 How many total chromosomes are found in a normal body cell (somatic cell) of a human? a) 23 b) 32 c) 46 d) 64

40 The abnormal zygote is most likely the result of A) chromosome breakage B) gene linkage C) nondisjunction D) polyploidy

41 The abnormal zygote is most likely the result of A) chromosome breakage B) gene linkage C) nondisjunction D) polyploidy

42 The resulting abnormal zygote would be considered a A) monosomyB) trisomy

43 The resulting abnormal zygote would be considered a A) monosomyB) trisomy

44 The two chromosomes of a homologous pair A) carry genes that code for identical traits at the same locations B) carry information for the same characteristics at different locations C) carry identical genetic information at different locations D) carry different versions of genes (alleles) that code for the same trait at the same locations

45 The two chromosomes of a homologous pair A) carry genes that code for identical traits at the same locations B) carry information for the same characteristics at different locations C) carry identical genetic information at different locations D) carry different versions of genes (alleles) that code for the same trait at the same locations

46 Chromosome number changes during meiosis because the process consists of A) two cell divisions without any chromosome replication. B) a single cell division without any chromosome replication. C) two cell divisions in which half of the chromosomes are destroyed. D) two cell divisions and only a single round of chromosome replication. E) four cell divisions with no chromosome replication.

47 Chromosome number changes during meiosis because the process consists of A) two cell divisions without any chromosome replication. B) a single cell division without any chromosome replication. C) two cell divisions in which half of the chromosomes are destroyed. D) two cell divisions and only a single round of chromosome replication. E) four cell divisions with no chromosome replication.

48 The diagram below shows a process that affects chromosomes during meiosis. This process can be used to explain A) why some offspring are genetically identical to their parents B) the process of differentiation in offspring C) why some offspring physically resemble their parents D) the origin of new combinations of traits in offspring

49 The diagram below shows a process that affects chromosomes during meiosis. This process can be used to explain A) why some offspring are genetically identical to their parents B) the process of differentiation in offspring C) why some offspring physically resemble their parents D) the origin of new combinations of traits in offspring

50 A karyotype would be least likely to show which of the following? A) an extra chromosome B) a point mutation C) a missing chromosome D) part of a chromosome turned around

51 A karyotype would be least likely to show which of the following? A) an extra chromosome B) a point mutation C) a missing chromosome D) part of a chromosome turned around

52 In humans, the fertilization of two eggs at the same time usually results in A) gene mutations B) aneuploidy C) fraternal twins D) identical twins

53 In humans, the fertilization of two eggs at the same time usually results in A) gene mutations B) aneuploidy C) fraternal twins D) identical twins

54 Sexual reproduction by necessity involves which two processes? A) meiosis and fertilization B) mutation and translocation C) nondisjunction and differentiation D) mitosis and fertilization

55 Sexual reproduction by necessity involves which two processes? A) meiosis and fertilization B) mutation and translocation C) nondisjunction and differentiation D) mitosis and fertilization

56 Which diagram BEST represents the formation of a zygote that could develop into a normal human male?

57 Which diagram BEST represents the formation of a zygote that could develop into a normal human male?


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