Curriculum
Course: Science — Third Preparatory
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Quiz

Question bank: Unit 3 — Variation of Traits in Living Organisms

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1.
The number of boxes in the Punnett square of RrYy × RrYy is:
4
8
16
32
2.
A cross Aa × aa gives offspring in the ratio:
3 Aa : 1 aa
1 Aa : 1 aa
all Aa
all aa
  • 1
  • 2