Kaplan Nursing Entrance Exam Practice 2025 – Comprehensive Prep

To determine if a red flower offspring is homozygous, it can be crossed with various flower types to observe the outcomes. By crossing it with another red flower that has two red parents, if the red flower is indeed homozygous, all offspring should also be red, reflecting the inherited trait directly.

Crossing it with a white flower provides a clear test; if the red flower is homozygous, all offspring will be red, while if it is heterozygous, the offspring will display a mix of red and white, confirming the presence of a recessive trait.

Crossing with another red flower that has a white parent serves a similar function. If the red flower is homozygous, all offspring will be red, but if it is heterozygous, there will be variability in the offspring color.

Thus, using all these options allows for various outcomes that can confirm the homozygosity of the red flower. Each cross serves as a test case to assess whether the dominant trait of red color appears consistently in the offspring.