Question #6424658Single Choice

Biology

Question

Why might siblings from the same parents show different phenotypes for a polygenic trait like height?

Height is determined solely by environmental factors.

Each sibling inherits a unique combination of alleles from their parents.

Random mutations cause height differences between siblings.

Height is controlled by a single dominant gene that varies in expression.

Click "Show Answer" to reveal the answer and analysis

Access thousands of practice questions with detailed explanations on Scholardog.