Question #6423044Single Choice

Biology

Question

In a test cross of a dihybrid organism (AaBb × aabb), 90% of the offspring have the parental phenotypes, while only 10% have recombinant phenotypes. What does this indicate about the genes?

Options

They assort independently.

They are on different chromosomes.

They are linked, with crossing over occurring rarely.

There is complete dominance in both genes.

Answer & Analysis

Click "Show Answer" to reveal the answer and analysis

Want More Practice Questions?

Access thousands of practice questions with detailed explanations on Scholardog.

Practice Now - It's Free!