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Biology of Human Sexuality > Final Exam > Flashcards

Final Exam Flashcards

questions from exams 1, 2 & 3 (95 cards)

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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
5 kingdoms
protists, plants, monera, fungi, animals
26
*whiteboard practice*
cellular names
27
transcription happens inside...
the nucleus
28
if your parents or the p generation, then your children will be the...
F2 generation
29
in humans, a haploid cell that is n+1 chromosomes has a total of
24 chromosomes
30
which phase of mitosis is the opposite of telophase?
prophase
31
an XXY male is said to have
Klinfelter's syndrome
32
during oogenesis, the extra chromosomes leave the egg as a
polar body
33
the three-letter code of RNA nucleotides that determine the amino acid sequence is called a
codon
34
color-blind is an example of
sex-linked trait
35
the job of this organelle is to assemble the amino acids into proteins
ribosomes
36
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?
yes
37
if a gene of DNA is a ATTCGGAGCT, the RNA strand is...
UAAGCCUCGA
38
after ovulation, the remaining cells in the follicle will become the...
corpus luteum
39
humans have how many pairs of chromosomes?
23 pairs of chromosomes
40
the ovaria structure that secretes progesterone is
the corpus luteum
41
a primary follicle will produce how many eggs?
one
42
which structure of the female reproductive system is also found in men?
urethra
43
During oogenesis a woman will make
an egg and three polar bodies
44
the acrosome
contains enzymes needed for fertilization
45
the major site of sperm maturation is in the
epididymis
46
testosterone is ...
'all of the above' -also made in women - primary sex hormone
47
the longest tube in the testis is ...
seminiferous tubule
48
One parent has wavy hair (an incompletely dominant trait) and the other straight hair. What are the chances their child will have wavy hair?
50%
49
the tubes where spermatogenesis occurs are called the
seminiferous tubules
50
the secretions from this gland in the male reproductive system are considered pre-ejaculatory
bulbourethral gland
51
which posterior pituitary hormone is involved with the reproductive system?
oxytocin
52
Nondisjunction of the chromosomes
can result in downs syndrome
53
the nurse cell found within the testis is known as the
Sertoli cell
54
what ovarian hormone is mainly active during the follicular phase?
estrogen
55
the structure that links the ovary to the uterus is the
fallopian tube
56
the genetic traits of an organism are called the
genotypes
57
path of sperm prior to release
1. seminiferous tubule 2. rete testis 3. epididymis 4. vas deferens 5. urethra
58
*whiteboard practice*
male system female system
59
path of egg that is released from the ovary - what are the sub-structures of the fallopian tube that the egg/embryo would pass?
1. fimbriae 2. infundibulum 3. ampulla 4. isthmus
60
The testicular cells that make testosterone
leydig cells
61
if your grandparents are the p generation, then you will be the
f2 generation
62
what is composed of seminal plasma and sperm
ejaculatory fluid/semen
63
LH and FSH stimulate (general term that is gender neutral)
gonads
64
provides nourishment for sperm, helps regulate PH (acidity) and provides a liquid medium for sperm motility
seminal plasma
65
*whiteboard practice*
endocrine system structures
66
this organ is located below the brain and controls many endocrine organs
c pituitary gland
67
this hormone controls the female system
f estrogen
68
this structure is the control center within the brain and is the location where the neural and endocrine systems communicate
a hypothalamus
69
this organ is the main female hormone producing organ
e ovary
70
this hormone acts upon the developing eggs to recruit them to grow
d FSH
71
the ideal birth control pill
does not exist
72
barrier systems include
'all of the above' cervical cap diaphragm female condom male condom
73
what is the correct order of the phases of sexual response in women
excitement, plateau, orgasm, resolution
74
some women experience
'all of the above' plateau responses only multiple orgasms ejaculation
75
the ... phase is the sexual release after the buildup of sensual enjoyment
orgasm
76
an erogenous zone includes
any location that makes you feel stimulated
77
during resolution, the man
returns to an unexcited state
78
birth control systems
have nothing to do with STDs
79
effectiveness of a birth control system is
number of women out of 100 who do not become pregnant
80
what happens during the second stage of labor?
crowning
81
the birth control pill
makes the women's body act as if it is pregnant
82
if twins were made from two different eggs and sperm, then they would be
dizygotic
83
hormonal based contraceptive can do all of the following except
be used by men
84
the genital fold makes the labia in females which is analogous to the ... in males
scrotum
85
the technique used by women that is analogous to a vasectomy in men is
tubal ligation
86
in human development, which part of the blastocyst will develop into a fetus
inner cell mass
87
for men, erection occurs during
excitation
88
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
inner layer (yellow) - endoderm (intestines) middle layer (red) - mesoderm (muscle) outer layer (blue) - ectoderm (CNS)
89
gene responsible for the development of the male system
SRY gene
90
At what time during fetal development is the fetus most susceptible to a teratogen?
wk3 - wk8
91
the blastula hatches from the structure known as the
zona pellucida
92
creating/ designing birth control
1. pre or post fertilization 2. sexual spontaneity 3. reliability 4. reversibility 5. responsibility 6. side effects
93
*whiteboard practice*
birth control methods, male & female
94
*whiteboard practice*
structures of internal genitals at 6wks
95
*whiteboard practice*
structures of sex

Biology of Human Sexuality (9 decks)

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