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GEN BIO 1 > CELL REPRODUCTION: MEIOSIS > Flashcards

CELL REPRODUCTION: MEIOSIS Flashcards

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Biology 101 flashcards
1
Q

The process of creating reproductive cells

A

Meiosis

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2
Q

Results to 4 unidentical daughter cells

A

Meiosis

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3
Q

Product is haploid so that the result would be diploid

A

Meiosis

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4
Q

Prophase I of meiosis

A

Leptotene
Zygotene
Pachytene
Diplotene
Diakinesis

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5
Q

Definition:

Lepto
Zygote
Pachy
Tene

A

Thin
Pair
Thick
Thread

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6
Q

Deals with the DNA itself

A

Leptotene

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7
Q

Chromatin begins to condense to form chromatids

A

Leptotene

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8
Q

Chromatin attach to nuclear membrane via telomere

A

Leptotene

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9
Q

Synapsis happen

What is synapsis?

A

Zygotene

Process where a pair of sister chromatid finds its pair as well as the non-sister chromatid

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10
Q

What is the chromatid of the Homologous pair?

A

Non-sister chromatids

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11
Q

Synaptonemal complex

A

Is a protein that did synapsis

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12
Q

Tetrad
Bivalent

A

4 telomere
2 chromatids

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13
Q

Crossing over happens in the non-sister chromatids

A

Pachytene

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14
Q

The daughter cells are unidentical to the parent cell because it creates variations among organisms

A

Pachytene

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15
Q

Why is the variation of organisms important?

A

Variation is the one that triggers evolution

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16
Q

What is crossing over

A

When non-sister chromatids overlaps

17
Q

Variation ensures evolution because variation ensures?

A

Survival of organisms

18
Q

Why do we need to survive?

A

So that our species will avoid extinction

19
Q

The longest stage of prophase because you have 23 pairs of chromosomes

A

Pachytene

20
Q

What does the law of independent assortment says about chromosomes?

A

Chromosomes are not able to choose on which daughter cell it will go

Chromosomes on each daughter cells are arranged independent in a random order

21
Q

Separation of sister chromatids after crossing-over

A

Diplotene

22
Q

Synapsis ends with the disappearance of synaptonemal complex

A

Diplotene

23
Q

Non-sister chromatids are connected or chiasma(ta)

A

Diplotene

24
Q

What is chiasmata?

A

Ensures the success of crossing-over so that the chromosomes would not separate abruptly

25
Q

Last stage of prophase I

A

Diakinesis

26
Q

Disappearance of nucleolus

A

Diakinesis

27
Q

Chromosomes become more tightly coiled

A

Diakinesis

28
Q

Centrosomes have reached different poles

A

Diakinesis

29
Q

Mitotic spindle begins to form

A

Diakinesis

30
Q

4 MAJOR BODY TISSUES

A

Epithelial Tissue
Connective Tissue
Muscle Tissue
Nervous Tissue

GEN BIO 1 (7 decks)

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