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Biology of Human Sexuality > Final Exam > Flashcards

Final Exam Flashcards

questions from exams 1, 2 & 3

1
Q

Nondisjunction of the chromosomes

A

‘all of the above’
- abnormal chromosome number
- turner’s syndrome (XO female)
- XYY males

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2
Q

ribosome

A

assemble proteins

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3
Q

the sperm

A

the sex of the child is dependent upon the chromosome information

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4
Q

if a parental cell has 28 chromosomes prior to meiosis, how many chromosomes will each daughter cell have?

A

only 14 after meiosis is finished

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5
Q

how many autosomes do humans have?

A

22 autosomes

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6
Q

the haploid number of chromosomes

A

‘none of the above…’

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7
Q

the organelle responsible for cellular respiration is the what?

A

mitochondria

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8
Q

If there is a substitution mutation in your DNA that results in no change to the amino acid sequence in your DNA, then it is —- mutation

A

silent

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9
Q

The process of converting the information contained in mRNA into a protein is called

A

translation

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10
Q

if a couple had two children, what are the chances that both would be females?

A

25%

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11
Q

The phase of the cell cycle where the cell divides into two is called the …

A

the mitotic phase

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12
Q

one parent has wavy hair (incompletely dominant trait) and the other straight hair. What are the chances their child will have wavy hair?

A

75%

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13
Q

The purpose of meiosis is to produce …

A

‘all of the above’
- haploid cells
- sex cells
- gametes

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14
Q

The correct order of cell division

A

IPMAT
interphase
prophase
metaphase
anaphase
telophase

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15
Q

One difference between spermatogenesis and oogenesis is …

A

the number of cells produced

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16
Q

The process of converting the information contained in the DNA (a gene) into an RNA (mRNA) sequence is called…

A

transcription

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17
Q

If an individual is born with a 2n+1 condition, then whose fault is it?

A

could be either parent

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18
Q

The physical traits in an organism are called the …

A

phenotypes

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19
Q

during the first round of meiosis the … separate

A

homologous chromosomes

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20
Q

crossing over occurs between

A

non-sister chromatids of a homologous pair

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21
Q

whiteboard practice

A

distinguish between mitosis, meiosis or interphase (haploid or diploid)

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22
Q

Seven attributes of life

A

cell
encode for attributes-DNA
adapt overtime
respond to environment
regulate internally
process energy
reproduce
grow /develop

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23
Q

the controlling factor that governs the 7 attributes of life

A

DNA

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24
Q

The smallest unit of life that has all these attributes

A

cell

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25
Q

5 kingdoms

A

protists, plants, monera, fungi, animals

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26
Q

whiteboard practice

A

cellular names

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27
Q

transcription happens inside…

A

the nucleus

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28
Q

if your parents or the p generation, then your children will be the…

A

F2 generation

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29
Q

in humans, a haploid cell that is n+1 chromosomes has a total of

A

24 chromosomes

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30
Q

which phase of mitosis is the opposite of telophase?

A

prophase

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31
Q

an XXY male is said to have

A

Klinfelter’s syndrome

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32
Q

during oogenesis, the extra chromosomes leave the egg as a

A

polar body

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33
Q

the three-letter code of RNA nucleotides that determine the amino acid sequence is called a

A

codon

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34
Q

color-blind is an example of

A

sex-linked trait

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35
Q

the job of this organelle is to assemble the amino acids into proteins

A

ribosomes

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36
Q

The mother had blond hair and her child has brown hair. Assuming that brown hair is dominant over the blond and the suspected father has blond hair. Can he be eliminated as the possible father?

A

yes

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37
Q

if a gene of DNA is a ATTCGGAGCT, the RNA strand is…

A

UAAGCCUCGA

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38
Q

after ovulation, the remaining cells in the follicle will become the…

A

corpus luteum

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39
Q

humans have how many pairs of chromosomes?

A

23 pairs of chromosomes

40
Q

the ovaria structure that secretes progesterone is

A

the corpus luteum

41
Q

a primary follicle will produce how many eggs?

A

one

42
Q

which structure of the female reproductive system is also found in men?

A

urethra

43
Q

During oogenesis a woman will make

A

an egg and three polar bodies

44
Q

the acrosome

A

contains enzymes needed for fertilization

45
Q

the major site of sperm maturation is in the

A

epididymis

46
Q

testosterone is …

A

‘all of the above’
-also made in women
- primary sex hormone

47
Q

the longest tube in the testis is …

A

seminiferous tubule

48
Q

One parent has wavy hair (an incompletely dominant trait) and the other straight hair. What are the chances their child will have wavy hair?

A

50%

49
Q

the tubes where spermatogenesis occurs are called the

A

seminiferous tubules

50
Q

the secretions from this gland in the male reproductive system are considered pre-ejaculatory

A

bulbourethral gland

51
Q

which posterior pituitary hormone is involved with the reproductive system?

A

oxytocin

52
Q

Nondisjunction of the chromosomes

A

can result in downs syndrome

53
Q

the nurse cell found within the testis is known as the

A

Sertoli cell

54
Q

what ovarian hormone is mainly active during the follicular phase?

A

estrogen

55
Q

the structure that links the ovary to the uterus is the

A

fallopian tube

56
Q

the genetic traits of an organism are called the

A

genotypes

57
Q

path of sperm prior to release

A
  1. seminiferous tubule
  2. rete testis
  3. epididymis
  4. vas deferens
  5. urethra
58
Q

whiteboard practice

A

male system
female system

59
Q

path of egg that is released from the ovary - what are the sub-structures of the fallopian tube that the egg/embryo would pass?

A
  1. fimbriae
  2. infundibulum
  3. ampulla
  4. isthmus
60
Q

The testicular cells that make testosterone

A

leydig cells

61
Q

if your grandparents are the p generation, then you will be the

A

f2 generation

62
Q

what is composed of seminal plasma and sperm

A

ejaculatory fluid/semen

63
Q

LH and FSH stimulate (general term that is gender neutral)

A

gonads

64
Q

provides nourishment for sperm, helps regulate PH (acidity) and provides a liquid medium for sperm motility

A

seminal plasma

65
Q

whiteboard practice

A

endocrine system structures

66
Q

this organ is located below the brain and controls many endocrine organs

A

c
pituitary gland

67
Q

this hormone controls the female system

A

f
estrogen

68
Q

this structure is the control center within the brain and is the location where the neural and endocrine systems communicate

A

a
hypothalamus

69
Q

this organ is the main female hormone producing organ

A

e
ovary

70
Q

this hormone acts upon the developing eggs to recruit them to grow

A

d
FSH

71
Q

the ideal birth control pill

A

does not exist

72
Q

barrier systems include

A

‘all of the above’
cervical cap
diaphragm
female condom
male condom

73
Q

what is the correct order of the phases of sexual response in women

A

excitement, plateau, orgasm, resolution

74
Q

some women experience

A

‘all of the above’
plateau responses only
multiple orgasms
ejaculation

75
Q

the … phase is the sexual release after the buildup of sensual enjoyment

A

orgasm

76
Q

an erogenous zone includes

A

any location that makes you feel stimulated

77
Q

during resolution, the man

A

returns to an unexcited state

78
Q

birth control systems

A

have nothing to do with STDs

79
Q

effectiveness of a birth control system is

A

number of women out of 100 who do not become pregnant

80
Q

what happens during the second stage of labor?

A

crowning

81
Q

the birth control pill

A

makes the women’s body act as if it is pregnant

82
Q

if twins were made from two different eggs and sperm, then they would be

A

dizygotic

83
Q

hormonal based contraceptive can do all of the following except

A

be used by men

84
Q

the genital fold makes the labia in females which is analogous to the … in males

A

scrotum

85
Q

the technique used by women that is analogous to a vasectomy in men is

A

tubal ligation

86
Q

in human development, which part of the blastocyst will develop into a fetus

A

inner cell mass

87
Q

for men, erection occurs during

A

excitation

88
Q

starting at the inner layer, what are the three layers of the trilaminar disc of the embryo and name a structure that each layer can become

A

inner layer (yellow)
- endoderm (intestines)
middle layer (red)
- mesoderm (muscle)
outer layer (blue)
- ectoderm (CNS)

89
Q

gene responsible for the development of the male system

A

SRY gene

90
Q

At what time during fetal development is the fetus most susceptible to a teratogen?

A

wk3 - wk8

91
Q

the blastula hatches from the structure known as the

A

zona pellucida

92
Q

creating/ designing birth control

A
  1. pre or post fertilization
  2. sexual spontaneity
  3. reliability
  4. reversibility
  5. responsibility
  6. side effects
93
Q

whiteboard practice

A

birth control methods, male & female

94
Q

whiteboard practice

A

structures of internal genitals at 6wks

95
Q

whiteboard practice

A

structures of sex

Biology of Human Sexuality (9 decks)

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