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29 Sep 2019
A cross is performed between two, true-breeding plants. One has seeds weighing 200 mg; the other, 400 mg. The F1 produces seeds weighing 300mg. In the F2, 1000 plants were produced. Four had seeds weighing 200 mg and four had seeds weighing 400 mg. The other plants produce seeds falling at various values between the extremes.
A. How many genes are involved in determing seed weight?
B. How much does each allele contribute to the seed?
C. How many contributing alleles (dominantt) are needed to produce 300 mg seeds? show calculations
D. What proportion of the F2 will produce seeds weighing 300mg? show calculations
A cross is performed between two, true-breeding plants. One has seeds weighing 200 mg; the other, 400 mg. The F1 produces seeds weighing 300mg. In the F2, 1000 plants were produced. Four had seeds weighing 200 mg and four had seeds weighing 400 mg. The other plants produce seeds falling at various values between the extremes.
A. How many genes are involved in determing seed weight?
B. How much does each allele contribute to the seed?
C. How many contributing alleles (dominantt) are needed to produce 300 mg seeds? show calculations
D. What proportion of the F2 will produce seeds weighing 300mg? show calculations
Sixta KovacekLv2
29 Sep 2019
