Question on: JAMB Biology - 2024

In a cross involving a heterozygous red flower plant (Rr) and a white flowered plant (rr). What is the probability that the offspring will be Rr?

\(\frac{1}{2}\)

\(\frac{1}{4}\)

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Correct Option: A

Here's how to solve this genetics problem using a Punnett square:1. Identify the genotypes of the parents: * Parent 1: Heterozygous red flower (Rr) * Parent 2: White flower (rr)2. Set up the Punnett square: R r r Rr rr r Rr rr 3. Determine the genotypes of the offspring: * Two possible genotypes are Rr (red flower) * Two possible genotypes are rr (white flower)4. Calculate the probability of Rr offspring: * There are 2 Rr offspring out of a total of 4 possible offspring. * Probability = (Number of Rr offspring) / (Total number of offspring) = 2/4 = 1/2