Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Cytogenetics 2ndYR 2ndSem Prelims > Gametogenesis > Flashcards

Gametogenesis Flashcards

1
Q

Either the mature sperm or the mature ovum

A

Gamete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The fusion of a sperm and egg to form a zygote

A

Fertilization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Number of chromosomes in an an Egg

A

23

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Number of chromosomes in a Sperm

A

23

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Number of chromosomes in a Zygote

A

46

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Shows the total number of chromosomes present in the cell

A

Karyotype

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Development of male and female sex cells

A

Gametogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Formed by the union of the mature sperm with mature ovum

A

Zygote

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Gametogenesis for Male

A

Spermatogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Gametogenesis for Female

A

Oogensis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Formation of Spermatozoa

A

Spermatogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

1st stage of sperm formation

A

Spermatocytogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Spermatogenesis occurs where

A

Seminiferous Tubules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

2 distinct maturational processes of Spermatogenesis

A

Spermatocytogenesis
Spermiogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

1st stage of spermatogenesis

A

Spermatocytogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Number of chromosomes in a Primary Spermatocyte

A

46 (diploid)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Result of Meiosis I in Spermatogenesis

A

Secondary Spermatocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Number of chromosomes in a secondary spermatocyte

A

23 (hapliod)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Do secondary spermatocytes contain DNA?

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which phase of Meiosis:

Homologous chromosomes separate and move towards the opposite pole

A

Anaphase I

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which phase of Meiosis:

Sister chromatids separate

A

Anaphase II

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Phase in Spermatogenesis where chromosomes will line up at the metaphase plate where the chromatids will separate

A

Meiosis II

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Result of Meiosis II

A

4 Spermatids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Number of chromosomes in a Spermatogonium

A

46 (diploid)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Differentiation of spermatids to spermatozoa
Spermiogenesis
26
Spermatids -> spermatozoa
Spermiogenesis
27
Will help release the attached spermatids
Sustentacular cells
28
- Spermatids - Sperm Cells ________ are spherical; ___________ are elongated
Spermatids - Spherical Sperm cells - Elongated
29
Parts of sperm cell
Head Nucleus Mitochondria Tail
30
Part of sperm cell head that contains digestive enzymes so that it can penetrate the egg cell
Acrosome Cap
31
What secretes GnRH
Hypothalamus
32
GnRH stimulates _______ to secretes FSH
Anterior Pituitary
33
Follicle Stimulating Hormone (FSH) is produced & stimulated by
Anterior Pituitary
34
FSH function in Men
Promotes sperm production Binds to Sertoli
35
Binds to testosterone to keep levels high
Androgen Binding Protein
36
What hormone stimulates Leydig Cells
Luteinizing Hormone
37
LH function in Men
Control testosterone production
38
Parents cells that produce haploid oocytes through meiosis are called?
Oogonia
39
Oogonia are located where
Ovaries
40
Oogonia enter what phase during fetal development
Prophase I
41
In Oogenesis, what are the cells in Prophase I
Primary Oocytes
42
Number of chromosomes in an Oogonia
46 (diploid)
43
What do Primary Oocytes undergo during fetal development?
Meiosis I
44
Stops in Meiosis I and will continue until after puberty
Arrested Stage
45
Primary Oocytes in Primordial Follicles are surrounded by
Flat Follicular Cells
46
In late primary follicles, the primary oocyte is surrounded by
Granulosa Cells
47
Found between the primary oocyte and the granulosa cells
Zona Pellucida
48
Organized layer of stromal cells that surrounds the basement membrane in a primary follicle
Theca Folliculi
49
Follicle where Antrum is present
Secondary Follicle
50
A cavity filled with follicular fluid produced by granulosa cells
Antrum
51
Secondary oocyte splits into
2 haploid cells
52
Secondary oocyte develops at what phase
Metaphase II
53
In a secondary oocyte, meiosis II is only completed only if what occurs
Fertilization
54
What do you call the smaller cell of the 2 unequal daughter cells produced after Meiosis I
Polar Body
55
What do you call the larger cell of the 2 unequal daughter cells produced after Meiosis I
Secondary Oocyte
56
What do you call the larger cell of the 2 unequal daughter cells produced after Meiosis II
Ovum
57
What do you call the smaller cell of the 2 unequal daughter cells produced after Meiosis II
Polar body
58
Oogenesis after puberty: Meiosis I produces what
2 daughter cells
59
Oogenesis after puberty: Secondary oocyte will stop developing at what phase
Metaphase II
60
Oogenesis after puberty: If fertilized, secondary oocyte completes what?
Meiosis II
61
Number of chromosomes in an Ovum
23
62
If a secondary oocyte is not fertilized, it degenerates in ____ hours?
24 hrs
63
FSH function in Women
- Initiates follicular growth - Secretion of estrogen by growth follicles
64
LH function in Women
- Stimulates the further development of ovarian follicles and their full secretion of estrogens - Promotes formation of corpus luteum
65
Hormone that helps to relax the ligaments in the pelvis
Relaxin
66
Hormone that acts primarily to inhibit secretion of FSH
Inhibin
67
2 Phases of menstrual cycle
- Follicular phase - Post-Ovulatory / Luteal Phase
68
Surrounding structure of the Ovum: Several layers of cuboidal cells
Corona radiata
69
Surrounding structure of the Ovum: A clear layer of proteins on the ovum under the corona radiata
Zona Pellucida

Cytogenetics 2ndYR 2ndSem Prelims (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions