Transmiterea Materialului Genetic Flashcards

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1
Q

Fecundatie=

A

Procesul in urma caruia se transmite materialul genetic de-a lungul generatilor

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2
Q

Cei 46 de cromozomi se afla in?

A

In celulele somatice

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3
Q

Meioza=

A

Un tip de diviziune in care nr. De cromozomi se reduce la jumatate

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4
Q

Gametii=

A

Sunt celulele sexuale cu 23 de cromozomi rezultate in urma meiozei

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5
Q

Ovulele si spermatodoizii au cati cromozomi?

A

22 AUTOZOMI si 1 HETEROZOM X (ovul) sau X si Y (spermatozoid)

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6
Q

Zigotul=

A

Este celula ou cu 46 cromozomi care rezulta in urma unirii ovulului cu spermatozoidul

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7
Q

Sunt posibile 2 combinatii:

A

a) 22 perechi AUTOZOMI si HETEROZOMI XX la fete
b) 22 perechi AUTOZOMI si HETEROZOMI XY la baieti

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8
Q

Sexul copilului este determinat de?

A

Heterozomul din spermatozoidul care fecundeaza ovulul

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