When you cross true-breeding tall and short tobacco plants you get an F1 that is intermediate in height. When this F1 is self-crossed, it yields an F2 with a continuous distribution of heights. What is the best explanation for these data? a. Height is determined by a single gene with incomplete dominance. b. Height is determined by a single gene with many alleles. c. Height is determined by the additive effects of many genes. d. Height is determined by epistatic genes.
When you cross true-breeding tall and short tobacco plants you get an F1 that is intermediate in height. When this F1 is self-crossed, it yields an F2 with a continuous distribution of heights. What is the best explanation for these data? a. Height is determined by a single gene with incomplete dominance. b. Height is determined by a single gene with many alleles. c. Height is determined by the additive effects of many genes. d. Height is determined by epistatic genes.
Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter8: Patterns Of Inheritance
Section: Chapter Questions
Problem 4RQ: Imagine that you are performing a cross involving seed color in garden pea plants. What traits would...
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When you cross true-breeding tall and short tobacco plants you get an F1 that is intermediate in height. When this F1 is self-crossed, it yields an F2 with a continuous distribution of heights. What is the best explanation for these data? |
a. Height is determined by a single gene with incomplete dominance. |
b. Height is determined by a single gene with many alleles. |
c. Height is determined by the additive effects of many genes. |
d. Height is determined by epistatic genes. |
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