Two true-breeding varieties of maize, one 11 cm high and the other 47 cm high were crossed and the resultant  F1 hybrids were then crossed to generate the  F2 . In the F2 there were a total of 13,923 plants with a continuous variation in heights between the two extremes and with only 3 plants as large as 47 cm high and 5 plants  of 11 cm high. a) How many i) genes

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1)    Two true-breeding varieties of maize, one 11 cm high and the other 47 cm high were crossed and the resultant  F1 hybrids were then crossed to generate the  F2 . In the F2 there were a total of 13,923 plants with a continuous variation in heights between the two extremes and with only 3 plants as large as 47 cm high and 5 plants  of 11 cm high.

a) How many i) genes and ii) how many alleles are involved in determining height in this plant?

b) What is the contribution of each dominant allele to the phenotype in cm?

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