You discover a certain species of weed growing in soil contaminated with toxic PCBs and later determine that the PCB resistance is due to a single dominant allele.
a. If 45% of the seeds from a randomly mating population of resistant weeds will germinate in contaminated soil, what is the frequency of the PCB-resistance allele?
b. Among all the plants that germinate, what proportion will be heterozygous?
c. What proportion will be homozygous dominant?

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The Answer of You discover a certain species of weed growing in soil contaminated with toxic PCBs and later determine that the PCB resistance is due to a single dominant allele.
a. If 45% of the seeds from a randomly mating population of resistant weeds will germinate in contaminated soil, what is the frequency of the PCB-resistance allele?
b. Among all the plants that germinate, what proportion will be heterozygous?
c. What proportion will be homozygous dominant?

You Discover a Certain Species of Weed Growing in Soil