201-225 GM2023

Question

201.CS Evaluati ce gameti rezulta prin nedisjunctia in meioza l aperechiidecromozomi 13 in spermatogeneza si in ce proportie:

Answer 1

a) 45,XY,-13(75%) 47,XY,+13(25%)

Answer 2

b) 45,XY,-13(25) 47,XY,+13(75%)

Answer 3

c) 23,X,-13 si 23,Y,-13(25%) 23,X,+13 si 23,Y,+13(75%)

Answer 4

d) 22,X,-13 si 22,Y,-13(25%) 24,X,+13 si 24,Y,+13(75%)

Answer 5

e) Nici unul din raspunsuri nu este corect

Answer 6

a) Nedisjunctie cromozomica in meioza l

Answer 7

b) Nedisjunctie cromatidiana in meioza ll

Answer 8

c) Nedisjunctie cromatidiana in mitoza

Answer 9

d) Nedisjunctie cromatidiana in mitoza si meioza ll

Answer 10

e) Nici unul din raspunsuri nu este corect

Answer 11

a) Nedisjunctie cromozomica in meioza l

Answer 12

b) Nedisjunctie cromatidiana in meioza ll

Answer 13

c) Nedisjunctie cromatidiana in prima mitoza a zigotului

Answer 14

d) Nedisjunctie cromatidiana in mitoza si meioza ll

Answer 15

e) Nici unul din raspunsuri nu este corect

Answer 16

a) Anafaza mitozei

Answer 17

b) Profaza si anafaza meiozei I

Answer 18

c) Metafaza si anafaza meiozei II

Answer 19

d) Profaza si metafaza meiozei I

Answer 20

e) Profaza si anafaza meiozei II

Answer 21

a)Nedisjunctia cromozomica in meioza I

Answer 22

b)Nedisjunctia cromatidiana in meioza II

Answer 23

c)Intarziere anafazica in meioza I

Answer 24

d)Nedisjunctia cromatidiana in mitoza

Answer 25

e)Nici unul din fenomele mentionate mai sus

Answer 26

a)Este responsabila de anomaliile structural ale cromozomilor

Answer 27

b)Este responsabila de anomalii cromozomice in mosaic

Answer 28

c)Este responsabila de formarea triploidiilor

Answer 29

d)Nu afecteaza decat perechea de cromozomi 21

Answer 30

e)Poate surveni atat in prima cat si in a doua diviziune meiotica

Answer 31

a)Anafaza meiozei II

Answer 32

b)Profaza meiozei I

Answer 33

c)Anafaza meiozei I

Answer 34

d)Metafaza meiozei II

Answer 35

e)Profaza meiozei II

Answer 36

a)Mozaicurilor cromozomice de tip 45/46

Answer 37

b)Gametilor cu un numar anormal de cromozomi

Answer 38

c)Celulelor somatice cu numar anormal de cromozomi

Answer 39

d)Mozaicurilor cromozomice de tip 46,Iso p / 46,Iso q

Answer 40

e)Mozaicurilor cromozomice de tip 46/46,Iso p/46,Iso q

Answer 41

a)Nedisjunctia la ambii gamete in MII

Answer 42

b)Nedisjunctia gonozomilor in spermatogeneza in MI si MII a cromozomului Y

Answer 43

c)Nedisjunctia dubla in ovogeneza a cromozomilor sexuali

Answer 44

d)Nedisjunctia cromozomilor sexuali la ambii gamete in MI

Answer 45

e)Nedisjunctia in spermatogeneza in MI si MII a cromozomului X

Answer 46

a)Nedisjunctia cromozomului X in MI si MII a spermatogenezei

Answer 47

b)Nedisjunctia cromozomului X in MI a spermatogenezei si in MII la ambii gamete

Answer 48

c)Nedisjunctia dubla a cromozomilor sexuali in ovogeneza

Answer 49

d)Nedisjunctia cromozomilor sexuali in ovogeneza si intirzierea MI inspermatogeneza

Answer 50

e)Nedisjunctia dubla a ambilor cromozomi sexuali in spermatogeneza

Answer 51

a)Nedisjunctia in MII la ambii gamete

Answer 52

b)Nedisjunctia gonozomilor in MI si cromatidelor cromozomului YinMII aspermatogenezei

Answer 53

c)Nedisjunctia cromozomilor sexuali in ovogeneza si intarzierea in MI inspermatogeneza

Answer 54

d)Nedisjunctia dubla a cromozomilor sexuali in ovogeneza

Answer 55

e)Nedisjunctia cromozomilor sexuali in MI la ambii gamete

Answer 56

a)Este o proprietate universala a organismelor vii

Answer 57

b)Este proprietatea organismelor vii de a transmite caracterele

Answer 58

c)Asigura diversitatea genetica a populatiei

Answer 59

d)Este asigurata numai de factori mutageni

Answer 60

e)Este asigurata de combinatii noi a materialului genetic

Answer 61

a)Asigura polimorfismul individual

Answer 62

b)Asigura selectia naturala

Answer 63

c)Nu intervine in aparitia bolilor genetice

Answer 64

d)Asigura adaptarea organismelor la diferite conditii de viata

Answer 65

e)Nu poate produce noi combinatii de material genetic

Answer 66

a)Proprietatea universal a organismelor de a obtine caractere noi

Answer 67

b)Proprietatea organismelor vii de a pastra si a transmite informatia genetica

Answer 68

c)Un fenomen determinat de factori ecologici si ereditari

Answer 69

d)Un process determinat exclusiv de factori teratogeni

Answer 70

e)Un process determinat numai de factori mutageni

Answer 71

a)Supravietuirea organismelor

Answer 72

b)Un polimorfism individual

Answer 73

c)Selectia naturala

Answer 74

d)Recombinarea genetica

Answer 75

e)Manifestarea unor stari patologice

Answer 76

a)Apar in urma modificarilor materialului genetic

Answer 77

b)Provoaca aparitia unui fenotip nou

Answer 78

c)Conditioneaza modificari metabolice noi

Answer 79

d)Pot aparea spontan

Answer 80

e)Nu pot fi produse de factorii mediului

Answer 81

a)Este proprietatea universala a organismelor de a pastra si transmite informatia ereditara

Answer 82

b)Este proprietatea universala a organismelor de a-si modifica caracterele

Answer 83

c)Apare doar la actiunea factorilor mutageni

Answer 84

d)Poate fi ereditara si neereditara

Answer 85

e)Asigura adaptarea organismelor

Answer 86

a)Combinarea noua a genelor parentale la zigot

Answer 87

b)Carcaterul conditiilor de realizare a genotipului

Answer 88

c)Secvente unicale si inalt repetitive a molecului AND,mostenite de laparinti

Answer 89

d)Noi modificari a secventelor de AND aparute pe parcursul vietii

Answer 90

e)Nr diferit de cromozomi si gene la fiecare persoana

Answer 91

a)Este o proprietate universala a organismelor vii de a se schimba

Answer 92

b)Se exprima prin manifestarea diferitor carcatere la reprezentatii unor populatii

Answer 93

c)Asigura adaptarea la noile conditii de viata

Answer 94

d)Explica aparitia diferitor caractere ereditare de familia

Answer 95

e)Este insotita intotdeauna de schimbarile programului genetic

Answer 96

a)Apar sub actiunea factorilor fizici,chimici si biologici

Answer 97

b)Sunt erori ale replicarii

Answer 98

c)Determina aparitia genelor letale

Answer 99

d)Apar cu o frecventa constanta

Answer 100

e)Nu pot fi prevazute

Answer 101

a)Modificari ale caracterelor in limitele normei de reactie

Answer 102

b)Modificari ale caracterelor in afara normei de reactie

Answer 103

c)Are rol adaptiv

Answer 104

d)Se poate produce doar prenatal

Answer 105

e)Apare pe parcusul vietii

Answer 106

a)Pozitive

Answer 107

b)Letale si semiletale

Answer 108

d)Intotdeauna apare un fenotip nou normal sau pathologic

Answer 109

e)Intotdeauna modificarea polipeptidului ,determinate de mutatie ,ducelamodificarea functiei proteinei corespunzatoare

Answer 110

a)Somatice

Answer 111

b)Autosomale

Answer 112

c)Partiale

Answer 113

d)Echilibrate

Answer 114

e)Punctiforme

Answer 115

a)Inlantuite cu cromozomul X

Answer 116

b)Dinamice

Answer 117

d)Partiale

Answer 118

e)Dominante

Answer 119

a)Spontane

Answer 120

d)Dominante

Answer 121

e)Neechilibrate

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201-225 GM2023

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	Created by Emy 100 11 months ago