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In the Brookhaven beetle, straight antenna(S) are dominant over curly antenna(s). Green wings(G) are dominant over red(g).A beetle with straight antenna and green wings is crossed with a beetle that has curly antenna and red wings. 25% of the offspring will have straight antenna and green wings.What is the genotype of the parent with straight antenna and green wings?

Respuesta :

Answer:

the genotype of beetle with straight antenna and green wings SsGg

Explanation:

Allele "S" represents straight antenna

"s" represents curly antenna

"G" represents green wings

"g" represents red wings

G is dominant over g

S is dominant over s

Genotype of beetle with curly antenna and red wings is ssgg

SG          Sg         sG          sg

sg SsGg Ssgg ssGg ssgg

sg SsGg Ssgg ssGg ssgg

sg SsGg Ssgg ssGg ssgg

sg SsGg Ssgg ssGg ssgg

Hence the genotype of beetle with straight antenna and green wings SsGg

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