Caractere Dominamte Si Caractere Recesive Flashcards

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1
Q

Alele se noteaza cu:

A

Litere mari (A,B etc.)- dominante si litere mici (a,b etc.)- recesive

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2
Q

Cromozomii din aceeasi pereche contin:

A

ALELE pereche care codifica acelasi caracter ereditar ( alele pentru culoarea pielii )

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3
Q

Alele identice (AA; aa)

A

=> organisme HOMOZIGOTE

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4
Q

Alele diferite (Aa)

A

=> organisme HETEROZIGOTE

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5
Q

Ce este factorul RH?

A

O proteina de pe hematii

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6
Q

Sunt posibile 3 combinatii:

A

a) DD- se manifesta caracterul dominant ( RH pozitiv )
b) Dd - caracter dominant ( RH pozitiv )
c) dd - se manifesta caracterul recesiv ( RH negativ )

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