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  • The ratio 1 : 1 : 1 : 1 is obtained from a cross between ...
Multiple choice

The ratio 1 : 1 : 1 : 1 is obtained from a cross between the parents

  1. RRYY x rryy

  2. RRYY x rrYy

  3. RRYY x Rryy

  4. RrYy x rryy

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The cross RRYY x rryy cannot have the ratio 1 : 1 : 1 : 1.

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