1.5 2 - Sheet1-2 Flashcards

1
Q

T/F Sexual reproduction leads to the creation of a offspring that is not identical to the parent

A

TRUE

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2
Q

T/F Une cellule reproductif sexuee est appellé zygote

A

Faux: Gamete

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3
Q

When the gamete cells of both parents combine, this is called ______

A

Fecondation

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4
Q

T/F When fecondation happens, a zygote is formed which is the first somatic cell for the new organism

A

TRUE

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5
Q

T/F Organisms within a species are different through the number of chromosomes.

A

FAUX

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6
Q

T/F In every chromosome homologue, both chromatides DON’T have the same dimensions and form

A

F: Do

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7
Q

Explain chromosomes homologues breifly

A

2 pairs of chromosomes that are the same (one from father and mother)

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8
Q

A table or a list of the chromosomes of a indivdual or a species is called ________

A

Caryotype

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9
Q

T/F The parent organisms always have “2n” chromosomes but the offspring has only “n” chromosomes

A

F: The offspring also has 2n chromosomes (meiose n+n=2n)

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10
Q

Une spermazoide et une ovule sont des exemples de chromosomes… 2n or n (choose one)

A

These two are examples of “n” chromosomes

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11
Q

Only the gametes ______ can merge to become zygote diploide

A

haploide

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12
Q

T/F It’s only in {mitosis} that the number of chromosomes are able to divide (switch the word)

A

Meiose

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13
Q

In phase ____ of meiose the anaphase consists of the centromere being seperated

A

Phase 2

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14
Q

Which phase of meiosis is more “comparable” to mitosis

A

Phase 2

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15
Q

The objective of phase 1 of meiosis is to divide _______

A

Cellules homlogues

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16
Q

T/F Phase 2 of meiose ends with {4} “n” cells. (switch number if false)

A

TRUE

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17
Q

T/F For females the process of meiose ends with the creation of a total of 4 Ovules haploide

A

F: Only one Ovule haploide is created.

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18
Q

T/F: Le processus par lequel chaque gamète renferme des chromosomes homologues de chaque paire est appelé méiose.

A

F: Le processus par lequel chaque gamète ne renferme qu’un seul chromosome de chaque paire est appelé méiose.

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19
Q

Definition du nombre haploide

A

C’est quoi la nombre haploide dans les humains? La nombre des chromosomes dans un cellule gamète d’un spécies 23

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20
Q

Definition du nombre diploide

A

C’est quoi la nombre diploide dans les humains? La nombre des chromosomes dans un cellule somatiques 46

21
Q

How does a zygote diploide form?

A

When two gamètes merge in fécondation

22
Q

What is the name of the stage after fécondation and how does that stage happen

A

Développement, la mitose

23
Q

Le terme « méiose » vient du mot grec « ____ », qui signifie « décroissance ».

24
Q

Durant _______, des parties de chromosomes non-sœurs échangent des segments d’ADN

A

l’enjambement,

25
Why do siblings not have the exact same genetic material?
l'enjambement peut crée un nombre infini de possibilités génétiques dans un seul gamète, ce qui entraîne une variation.
26
Que fait les gonades?
les gametes
27
C'est quoi les gomades pour les mâles et les femelles?
Mâles: les testicules (hitler à seulement 1) Femelles: les ovules
28
Nomme les gamètes pour les hommes
Mâle: spermatozoÏdes
29
What does méiose make?
les gametes
30
How many gamétes are there at the end of méosis in females?
one
31
Why do females need méosis if they don't even end up with more cells?
The ovule needs sufficient cytoplasme, the extra genetic material get discarded
32
How many gamétes are there at the end of méosis in males?
4 spermazoides
33
Describe méosis in males
2n in a cell -> two cells with n each -> 4 cells with two chromatide each
34
Describe méosis in females
2n in a cell -> two cells with n each -> one cell discarded -> split into two cells with n each, one cell discarded -> ovule with lots of cytoplasme
35
the zygote develops into a
embryon
36
Quelle substances sont mal pour le formattion du bebe?
les cigarrets et l'alcool
37
Qeulles sont tous les etages de une oeuf humaine?
38
Qeulles sont tous les parties d'une ouef de chicken?
L'embryon, l'amnios, cavite amniotique, chorion, vesicule vitethine, coquile, allanhoide, chambre a l'air
39
What does it mean when a person has 47 chromosomes?
Il avait la Syndrome de down
40
How is down syndrome caused?
When a extra chromosome gets shuffled in.
41
Porqoui quelque personnes ne peuvent pas avoir les enfants?
1. Une homme ne peuvent pas produire la sperme, 2. Les trompes de Fallope de la femme sont obstruées, 3. Les follicules de la femme ont un fonctionnement anormal. 4. Le cerveau d'un des parents ne sécrète pas suffisamment d'hormones.
42
Quest ce que la conjugason?
C'est quand une bacterie insert son ADN dans une autre bacterie.
43
Quest ce que la Morula?
C'est l'etape entre le zygote et la blastocyste. Il est consiste de 16-32 blastomeres.
44
Ou se passe le fecondation:
la trompe de fallope
45
Quand les spermatozoides sont deposes dans la femme, ou se deplacent-ils en premier
l'uterus et puis la trompe de fallope
46
Combien des heures apres la fecondation se commence le mitose?
24 - 36
47
placenta
L'organe riche en vasseaux sanguines present pendant la grossesse
48
When a zygote reaches the uterous it becomes a ______
morula
49
pendant le deuxieme semaine, les cellules specialises de morula devient ______ , le processus est _____
gastrula, gastrulation