Question

Two heterozygous red-eyed flies are mated and produce 420 offspring. How many of these would be white-eyed?

Answer 1

from above diagram

• ratio comes to be 3: 1
• that means out of 4 three have red eyes and 1 has white coloured eyes

there for flies with red eyes

• 3/4×420 = 315 flies

for white coloured eyes of flies

• 1/4×420=105 flies

Step-by-step explanation:

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