Please answer my questions ?? plz

Dear student,
Please find below the answer:

In the question, it is given that Fruit weight is controlled by four pairs of genes (8 alleles). According to the values, the minimum weight of the fruit is 250 gm and each dominant allele contributes 25 gm.

Fruit Weight having genotype: 
AaBbccDD: 250 + 4 x 25= 350 gm (Since there are 4 dominant alleles)
AaBbCcDd: 250 + 4 x 25= 350 gm
AabbCcDd: 250 + 3 x 25= 325 gm
AabbccDd: 250 + 2 x 25= 300 gm

Hope this information clears your doubt.
Regards.
 

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