Question

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a snapdragon with pink flowers with the genotype rr is mated with a snapdragon with red flowers with the genotype rr. what is the possibility of obtaining a flower with a heterozygous genotype?
the possibility of obtaining a heterozygous flower is
%.

Explanation:

Step1: Create Punnett square

The parent genotypes are Rr (pink) and RR (red). The possible gametes from Rr are R and r, and from RR are R and R.

	R	R
r	Rr	Rr

Step2: Count heterozygous genotypes

From the Punnett square, the heterozygous (Rr) genotypes are 2 out of 4 total offspring.

Step3: Calculate percentage

To find the percentage, we use the formula $\frac{\text{Number of heterozygous}}{\text{Total number of offspring}} \times 100$. So $\frac{2}{4} \times 100 = 50$.

Answer:

50