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EARTHQUAKE > Meosis > Flashcards

Meosis Flashcards

1
Q

how many groups are cell divided into

A

2
GERM CELL
SOMATIC CELLS

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2
Q

(haploid: n)
sperm cells (production: spermatogenesis)
egg cells (production: oogenesis)

A

GERM CELLS

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3
Q

sperm cells produce =

A

SPERMATOGENESIS

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4
Q

egg cells produce=

A

OOGENESIS

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5
Q

(diploid: 2n)
epithelial cells
muscle cells
nerve cells

A

SOMATIC CELLS

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6
Q

the union of two mature sex cells

A

FERTILIZATION

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7
Q

fertilization results to

A

ZYGOTE

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8
Q

how many chromosome from mother and father

A

23

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9
Q

After fertilization, ______ occurs in ______
until ______is formed.

A

MITOSIS/ ZYGOTE/ EMBRYO

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10
Q

diploid cell divides to produce

A

TWO INDENTICAL DIPLOID CELLS

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11
Q

do all somatic cells
contain a diploid number of
chromosomes

A

TRUE

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12
Q

important to reduce the number of
chromosomes from diploid to haploid

A

MEOSIS

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13
Q

necessary to maintain the chromosome
number once sperm & egg cells unite

A

MEOSIS

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14
Q

it will then be maintained through the
process of mitosis

A

MEOSIS

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15
Q

_______ are the first 22 pairs

A

AUTOSOME

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16
Q

is the last pair

A

CHROMOSOMES

17
Q

a pair of one paternal chromosome and one maternal chromosome

A

HOMOLOGS

18
Q

have the same gene position (locus), length, and centromere location

A

HOMOLOGS

19
Q

______ is a variant of gene located at a specific locus on a chromosome

A

ALLELE

20
Q

is an image that shows the 22 pairs of
autosomes and a single pair of sex
chromosomes arranged from the biggest
to the smallest pair

A

KARYOGRAM

21
Q

similarity in banding pattern
size & shape
centromere location
gene content

A

KARYOGRAM

22
Q

the process of doing karyogram is referred to as ______

A

KARYOTYPING

23
Q

results in the formation of gametes

A

MEIOSIS

24
Q

results in the production of 4 haploid
daughter cells

A

MEIOSIS

25
Q

_________: reductional division

A

MEOSIS 1

26
Q

_________: equational division

A

MEOSIS 2

27
Q

chromosomes start to coil and shorten
nuclear envelope disintegrates
homologs pair up through synapsis
crossing over, which contributes to
genetic variability, may occur
between homologs

A

PROPHASE 1

28
Q

homologs align at the metaphase
plate
homologs attach to spindle fibers at
the kinetochore in their centromeres

A

META PHASE 1

29
Q

homologs separate
chromosomes are moved toward
opposite poles by the spindle fibers

A

ANAPHASE 1

30
Q

chromosomes reach opposite poles
cleavage furrow appears and the
cytoplasm starts to divide
in most organisms, the nuclear
membrane forms

A

TELOPHASE 1

31
Q

nuclear membrane disintegrates
new spindle fibers form around the
chromosomes

A

PROPHASE 2

32
Q

chromosomes align at the metaphase
plate and attach to spindle fibers at
the kinetochore in the centromeres

A

METPHASE 2

33
Q

each chromosome divides into two
sister chromatids
chromatids move toward opposite
poles

A

ANAPHASE 2

34
Q

nuclear membrane forms around each
set of chromosomes
spindle fibers disintegrate

A

TELOPHASE 2

35
Q

_________ is the reason no two individuals are
identical

A

GENETIC VARIATION

36
Q

takes place during the alignment of homologs
in metaphase I
in humans with 23 homologs, it could result
in about 8 million different gamete
combination

A

INDEPENDENT ASSORTMENT

37
Q

exchange of genetic materials between
homologs

A

CROSSING OVER

38
Q

during fertilization, the fusion of a sperm cell
and an egg cell involves a random process
the number of possible outcomes is
significantly more than the present human
population

A

RANDOM FERTILIZATION

39
Q
A

EARTHQUAKE (15 decks)

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