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(Solved): 4. In garden peas, the allele for tall plants is dominant over the allele for short plants. Two het ...
4. In garden peas, the allele for tall plants is dominant over the allele for short plants. Two heterozygous tall plants are crossed, resulting in 20 offspring plants. Of the 20 offspring plants, how many are expected to be tall? A. 20 B. 15 C. 10 D. 5 E. 0 5. In pea plants, the "Y" gene determines seed color, and yellow seed color is completely dominant to green seed color. The "R" gene determines seed shape, and round seeds are completely dominant to wrinkled seeds. From a dihybrid cross, what is the probability of producing offspring with genotype YYRr? A. \( 1 / 16 \) B. \( 1 / 3 \) C. \( 1 / 4 \) D. \( 1 / 2 \) E. None of the above