1) The document discusses hormonal regulation of the menstrual cycle and ovulation. It mentions the roles of LH and FSH in stimulating follicle development and inhibiting hormones. 2) Meiosis and gamete formation are briefly covered, noting the production of oocytes and spermatozoa. 3) Bone formation and fetal development over 12 weeks of pregnancy are summarized at a high level.

5. 2n
S
2× 2n
S
2× n
n

6. 2n
2n
2×2n
2×n
n
n

10. - -
- -
- -
- -

16. LH FSH
inhibin
LH FSH

18. -
-
-

22. oocyte
spermatozoon

27. -

32. Bone formation

35. -

36. 12 weeks

41. -
-
-

42. -

47. -
n 5
2 = 2 = 32
-
-
-

49. -
-
-

50. -
-
-
-
-

51. - -

52. -
-
-

53. .1

55. PRH

56. O O
+ +

57. O
+

58. O
+

60. .1
.2
.3
.4

61. LH
LH .1
.2
.3
.4
Z .5
Z .6
.7

62. B A
x x
D C
y
E
z
X – Y –Z .1
E .2
Y .3
.4
2n 1n

63. X LH
Z
Y
X,Y .1
Z .2
.3

64. V
V 32 V 16 V2 V
V
4V 2V V V2

65. x y
Z
x , y .1
.2
Z .3

66. Y Z
X E
Z,Y .1
E ,X .2
.3
E
X