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Q. ZO-ZZ type of sex determination is found in Butterflies Reptiles Roundworms Birds

Q. ZO-ZZ type of sex determination is found in
  1. Butterflies
  2. Reptiles
  3. Roundworms
  4. Birds 

Grade:12th pass

2 Answers

Gaurav
askIITians Faculty 164 Points
6 years ago
Hello Student,
Please find answer to your question below:

Correct answer is 1. Butterflies
ZO-ZZ type of sex determination occurs in some buterflies and moth.
Khushboo
19 Points
2 years ago
ZO-ZZ type of sex determination is found in butterflies 
i.e (ZO+AA).        (ZZ+AA)
(z+a)   (z+a)-------(1)
(o+a)   (z+a)-------(2)
Now do cross of 1 and 2 

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