ereditate si variabilitate Flashcards

1
Q

ce studiaza genetica?

A

ereditatea si variabilitatea

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2
Q

ce este ereditatea?

A

TRANSMITEREA CARACTERELOR de la parinti la copii ex: culoarea ochilor

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3
Q

ce este variabilitatea?

A

-capacitatea vietuitoarelor de a se deosebi prin CARACTERE SPECIFICE

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4
Q

genotip=

A

totalitatea genelor

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5
Q

fenotip=

A

totalitatea caracterelor observabile

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6
Q

genom=

A

totalitatea materialului genetic

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7
Q

ce este gena?

A

fragment din ADN ce contine informatii privind constructia unei PROTEINE

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8
Q

legea 1 a lui mendel

A

Gametii sau celulele reproducatoare sunt puri din punct de vedere genetic

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9
Q

legea 2 a lui mendel

A

caracterele ereditare segrega independent unele fata de celelalte

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10
Q

ce rol are variabilitatea?

A

-are rol in ADAPTAREA organismelor la un mediu de viata

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