cromossomos sexuais Flashcards

1
Q

4 principais padrões de determinação sexual

A

Protenor (X0)
Abraxas (ZW)
Fumea (Z0)
Lygaeus (XY)

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2
Q

protenor (X0)

A

macho-> heterogamético (X0)
fêmea-> homo (XX)
ex: percevejos, gafanhotos, besouros.

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3
Q

Abraxas (ZW)

A

macho-> homogametico (ZZ)
fêmea-> heterog (ZW)
ex: alguns répteis, aves, borboletas e mariposas.

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4
Q

Fumea (Z0)

A

macho -> ZZ homog
fêmea -> Z0 heterog
ex: lepidópteros do gênero Fumea.

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5
Q

Lygaeus (XY)

A

macho -> XY heterog
fêmea -> XX homog
ex: mamíferos e drosófilas (mosca-das-frutas).

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