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GENETICS > LAB > Flashcards

LAB Flashcards

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Biology 101 flashcards
1
Q

refer to all body cells except the sex cells

contain diploid

undergo mitosis

A

somatic cells

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2
Q

refer to the gametes

contain haploid

undergo meiosis

A

sex cells

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3
Q

the cyclical process of growth and mitosis

A

cell cycle

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4
Q

consist of interphase and mitosis

A

cell cycle

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5
Q

the preparatory stage for mitosis consist of G1, S AND G2

A

interphase

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6
Q

pre-synthesis interphase

A

G1 PERIOD

gap

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7
Q

synthesis phase

A

S period

synthesis

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8
Q

post synthesis interphase

A

G2 PERIOD

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9
Q

somatic cell division

A

mitosis

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10
Q

produce 2 daughter cell

A

mitosis

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11
Q

other term for mitosis

A

duplication division

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12
Q

division of nucleus

of cytoplasm

A

karyokinesis

cytokinesis

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13
Q

sex cell division

A

meiosis

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14
Q

produce 4 daughter cells haploid bash

A

meiosis

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15
Q

also called reduction division

A

meiosis

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16
Q

occupies the longest duration of meiosis with 5 stages

A

prophase I

17
Q

replicated chromosomes

A

leptotene

18
Q

replicated chromosomes (leptotene) appear as long slender threads

A

leptonema

19
Q

pairing of homologous chromosomes (synapsis)

A

Zygonema

20
Q

the pair is referred to as bivalent or tetrad

A

zygotene

zygonema

21
Q

chromosomes continue to becoe shorter and thicker(pachytene)

A

pachynema

22
Q

a series of exhange of genetic material(crossing over) can occur between spec region ng homologous chromosomes

A

pachynema

23
Q

tetrad tends to repel each other

chiasma become distinct

A

diplotene

diplonema

24
Q

area of contact between 2 chromatids

A

chiasma

25
Q

bivalent migrate close to the nuclear membrane

A

diakinesis

26
Q

coiling and contraction of chomosome continue

A

diakinesis

27
Q

nucleus disappear and nuclear membrane begins to break down

A

diakinesis

28
Q

spindle apparatus begins to form

A

diakinesis

GENETICS (13 decks)

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