One homozygous fruit variety produces fruit averaging 18g in weight, while anoth

Question

One homozygous fruit variety produces fruit averaging 18g in weight, while another homozygous fruit variety produces fruit averaging 8g. The F_1 obtained by crossing these two plants has fruit weight ranging from 11 to 15g . The F_2 produces plants with fruit weight ranging from 8 to 18g. Which generation shows the greatest amount of variation, the F_1 or F_2? How much does each contributing allele add to the mass to the fruit in grams (assume that every allele is equally contributing ie. each allel adds the same mass)?

Explanation / Answer

1. There seems to be 4 gene contributing the mass of fruit.

2. generation F2 shows max variation.

3. one fourth of mass is expected to be influenced by allele.

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