Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Cytogenetics 2ndYR 2ndSem Prelims > Fertilization > Flashcards

Fertilization Flashcards

1
Q

Embryo is in the first 8 weeks

A

Prenatal Development

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

This is when after 1 week of fertilization, the fertilized egg will now move and attach to the uterus

A

Pre Implantation

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

When does Pre Implantation Occur

A

1st Week

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

Week where tissue layers are developed

A

2nd week

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

When does fetal period occur and the body parts will grow

A

After 8 weeks

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

Pregnancy is numbered and measured by

A

weeks

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

When does Fetal Development end

A

at Birth

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

Sperm cell attaches to the jelly coat of the egg

A

Fertilization

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

Number of days that sperm cells can survive in a woman’s body

A

3 days

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

Number of hours that oocytes need to be fertilized after being released

A

12 to 24 hrs

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

A mechanism that aids in fertilization where chemicals are released to drive sperm cells away

A

Capacitation

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

When the Sperm Cell attaches to the jelly coat of the egg, it first comes in contact with what

A

Corona Radiata

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

Contains digestive enzymes that eat away the jelly layer

A

Acrosome Cap

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

What the sperm cell penetrates the egg cell, it burst and is able to penetrate what

A

Glycoprotein layer of egg

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

What begins when the sperm and secondary oocyte meet

A

Fertilization

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

A species-specific boundary involved in Sperm-Egg recognition

A

Vitelline Layer

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

Formed during fertilization, when the DNA of the sperm and the egg combine

A

Diploid Zygote

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

Occurs when the DNA of the sperm and the egg fuse, and if the two sets of chromosomes called pro-nuclei appear

A

DNA Replication

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

Entrance of multiple sperms

A

Polyspermy

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

The formation, maturation, and union of the Ovum and Sperm

A

Fertilization

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

Role of Ovum or Sperm?

Contribute the maternal component of genes

A

Role of Ovum

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

Role of Ovum or Sperm?

Reach and penetrate the egg

A

Role of Sperm

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

Role of Ovum or Sperm?

Reject all sperms but one

A

Role of Ovum

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

Role of Ovum or Sperm?

Activate the egg to nuclear and cytoplasmic division necessary to embryonic development

A

Role of Sperm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Role of Ovum or Sperm?

Provide food reserve until the embryo begins to feed upon exogenous material

A

Role of Ovum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Role of Ovum or Sperm?

Contribute the paternal complement of genes

A

Role of Sperm

27
Q

Changes that occur between sperm and ovum to allow only one sperm to successfully penetrate the ovum

A

Capacitation

28
Q

Mitotic division of the zygote into a morula

A

Cleavage

29
Q

Ball of cells that will form a blastula that will implant in the uterus

A

Morula

30
Q

Stages of Fertilization

A

Penetration
Activation
Nuclear Fusion

31
Q

Stages of Fertilization

  • Random contact between sperm and egg
  • Sperm propels past corona cells and attach to zona pellucida
A

Penetration

32
Q

Stages of Fertilization

Completion of Meiosis of ovum which forms female pronucleus

A

Activation

33
Q

Stages of Fertilization

  • Union of 2 pronuclei
  • Loss of nuclear envelope, contribution of chromosomes to first mitotic cleavage
A

Nuclear Fusion

34
Q

The time the sex will be identified

A

Conception

35
Q

Determines if the chromosome will be an X or a Y

A

Sperm Cell

36
Q

Oocyte will always carry what chromosome

A

X chromosome

37
Q

The rapid succession of cell division

A

Cleavage (The Blastula Stage)

38
Q

Zygotes undergo cell divisions and the produced cells are called?

A

Blastomeres

39
Q

What do zygotes undergo after fertilization?

A

Mitosis and Cleavage

40
Q

When do blastocysts begin to attach to the endometrium of the uterus in the process of implantation

A

1 week after Conception

41
Q

A process where the trophoblast cell of the blastocyst secrete Human Chronic Gonadotropin (HCG)

A

Implantation

42
Q

Chemical that is detected in pregnancy test kits

A

Human Chronic Gonadotropin (HCG)

43
Q

When is the secondary oocyte released

A

After ovulation

44
Q

Stages of Prenatal Development

A
  • Pre-embryonic period
  • Embryonic period
  • Fetal period
45
Q

3 Primary germ cells

A

Ectoderm
Mesoderm
Endoderm

46
Q

Primary Germ cells:

  • Layer nearest to amniotic cavity
  • Differentiates into skin and nervous tissue and parts of the glands
A

Ectoderm

47
Q

Primary Germ cells:

  • Middle Layer
  • Differentiates into structures like muscles
A

Mesoderm

48
Q

Primary Germ cells:

Layer closer to blastocyst cavity

A

Endoderm

49
Q

Stages of Prenatal Development:

First 2 weeks after fertilization of egg/formation of zygote

A

Pre-embryonic

50
Q

Stages of Prenatal Development:

3rd through 8th weeks when all major organ system begin to develop

A

Embryonic

51
Q

Stages of Prenatal Development:

9th through 38th weeks when growth dominates

A

Fetal

52
Q

Stages of Prenatal Development:

When does fetal period end

A

At birth

53
Q

Failure to be pregnant after 1 year or more even after regular unprotected intercourse

A

Infertility

54
Q

Probability of a women getting pregnant during a single menstrual cycle

A

30%

55
Q

Probability of pregnancies advancing beyond week 20

A

50% to 60%

56
Q

Sperm count of a fertile man

A

48 million/mL of semen

57
Q

Sperm motility of a fertile man (%)

A

63% of the sperms

58
Q

Sperm morphology of a fertile man (normal shape and structure)

A

More then 12% of sperms

59
Q

Sperm count of an infertile man

A

Below 13.5 million/mL of semen

60
Q

Sperm motility of an infertile man

A

Less than 32% of the sperms

61
Q

Sperm morphology of an infertile man (normal shape and structure)

A

Fewer then 9% of sperm

62
Q

7 Temporary and Lifestyle Causes of Low Sperm Count

A
  1. Emotional Stress
  2. Testicular Overheating
  3. Substance Abuse
  4. Smoking
  5. Malnutrition and Nutrient Deficiencies
  6. Obesity
  7. Bicycling
63
Q

The inability to achieve and sustain an erection suitable for sexual intercourse

A

Erectile Dysfunction

Cytogenetics 2ndYR 2ndSem Prelims (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions