Answer :
Final answer:
White flowers are controlled by the dominant allele W, while purple flowers are controlled by the recessive allele w. This is demonstrated through the offspring generation where white flowers appear with a dominant allele. The genotypes indicate that W is dominant over w.
Explanation:
Understanding Dominant and Recessive Alleles
In this genetic scenario, we have two traits for flower color: white flowers and purple flowers. The allele for white flowers is represented by W (dominant), while the allele for purple flowers is represented by w (recessive). This means that white flowers will appear if at least one dominant allele W is present, while the purple flower color will only show if the organism has two recessive alleles ww.
To determine which trait is dominant and which is recessive, we can look at the offspring generated in the F1 generation. When you cross a plant with two dominant alleles (Ww) with another plant that has two recessive alleles (ww), the resulting genotypes will include both Ww (white flowers) and ww (purple flowers). Therefore, since white flowers appear when at least one W is present, they are the result of the dominant allele.
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