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Asexual vs Sexual Reproduction

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Presentation on theme: "Asexual vs Sexual Reproduction"— Presentation transcript:

1

2 Asexual vs Sexual Reproduction

3 Meiosis

4 More Meiosis

5 Mitosis vs. Meiosis

6 Chromosome Number

7 Miscellaneous

8 Asexual vs Sexual Reproduction
Mitosis vs. Meiosis More Meiosis Chromosome number Meiosis Miscellaneous $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

9 Type of reproduction used by bacteria

10 Asexual

11 Division of prokaryotic cells is called this

12 binary fission

13 Comparison of daughter cells formed when a bacterial cell divides

14 Identical

15 Cost of Asexual Reproduction

16 Unable to adapt to a changing environment

17 3 Ways genetic diversity is gained

18 Crossing Over, Random Fertilization, and Independent Assortment

19 Chromosomes are found here during Metaphase I

20 Equator

21 Exchange of genes that occurs during Meiosis I

22 Crossing-over

23 This process occurs before Meiosis I, but not before Meiosis II

24 Copying DNA

25 Phase homologous chromosomes exchange segments of DNA

26 Prophase I

27 Stage homologous pairs line up next to one another along the equator

28 Metaphase I

29 How many chromosomes are in a haploid cell of an organism that has a diploid number of 12?

30 6

31 Stage responsible for the law of segregation (independent assortment)

32 Metaphase I

33 Define homologous chromosomes

34 Pairs of chromosomes containing genes that code for the same traits
Pairs of chromosomes containing genes that code for the same traits. Not identical.

35 Daily Double!!

36 The maternal and paternal chromosomes of each homologous pair separate and reach the poles of the cell. What stage is this?

37 Anaphase I

38 What distinguishes prophase 1 of meiosis from prophase of mitosis?

39 Homologous chromosomes pair up and exchange DNA segments through crossing over

40 Purpose of Mitosis and Meiosis

41 Mitosis: to create more body cells for repair and growth Meiosis: To make gametes (egg and sperm) for reproduction

42 Number of daughter cells

43 Mitosis: 2 Meiosis: 4

44 Number of divisions

45 Mitosis: 1 Meiosis: 2

46 Chromosome number of daughter cells

47 Mitosis: 46 Meiosis: 23

48 Difference between anaphase of mitosis and anaphase I of meiosis

49 Chromatids do not separate at the centromere in anaphase I.

50 Occurs in order to half the amount of chromosomes found within a cell

51 Meiosis

52 Chromosome number found in human body cells

53 46 or 2n

54 Chromosome number has been cut in half by the end of Meiosis II
Chromosome number has been cut in half by the end of Meiosis II. Broad term that represents only half of the chromosomes present in each of the cells

55 n or haploid

56 Chromosome number found in a human gametes

57 n = 23

58 Number of copies of each autosome found in the body cell of an organism

59 two

60 Two examples of cells in humans that aren’t called “body cells”

61 eggs & sperm

62 Another name for reproductive cells such as the egg & sperm

63 Gametes

64 Number of sperm cells formed during gametogenesis

65 Four

66 All the chromosomes in an organism except X and Y

67 Autosomal chromosomes

68 Last two possible chromosomes on a karyotype

69 XX or XY (sex chromosomes)

70 Final Jeopardy Chromosomes with identical size, shape, & traits, but different alleles

71 What are Homologs?


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