Homework Help: Science

Posted by Alexander on Saturday, November 10, 2012 at 10:13am.

Is this correct? In pea plants, the allele for green pods is G. The allele for yellow pods is g. In the offspring 27 (75 percent) had green pods and 9 (25 percent) had yellow pods. What are the parents genotypes? How do you know? The parents genotypes are GG and gg. Because the dominant allele masked the recessive allele. In the offspring, 3/4 were green and 1/4 were yellow. The green pea pod masked the yellow pea pod.

Science - Jennifer, Saturday, November 10, 2012 at 6:27pm
Looks good to me
Science - PsyDAG, Sunday, November 11, 2012 at 1:52pm
It does NOT look good to me. From your answer all the children would be Gg genotype. Both parents need to be heterozygous for that trait to get the percentages of offspring described. Do a Punnett square.

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