A cross Aa Bb x aa BB was performed. Assuming the genes A and B are independentl

Question

A cross Aa Bb x aa BB was performed. Assuming the genes A and B are independently assorted, how many F1 plants are needed to have 95% chance of obtaining atleast one plant with the phenotype A_ B_ ? A. 2 B. 4 C. 6 D. 9 E. None of the above A cross Aa Bb x aa BB was performed. Assuming the genes A and B are independently assorted, how many F1 plants are needed to have 95% chance of obtaining atleast one plant with the phenotype A_ B_ ? A. 2 B. 4 C. 6 D. 9 E. None of the above A. 2 B. 4 C. 6 D. 9 E. None of the above

Explanation / Answer

The answer is A- 2.

AaBb X aaBB

Gametes formation - AB, Ab, aB and ab aB

F1 generation -   

So, F1 plants are needed to have 95% chance of obtaining atleast one plant with the phenotype A_ B_ = 2. AaBB and AaBb.

Male/Female aB AB AaBB Ab AaBb aB aaBB ab aaBb

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