Lesson: Chapter 20 — Heredity

20.3. Genes and genotypes 1 of 7 Reset answers

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Question 1

What is the modern name for what Mendel called a factor?

A A chromosome B A gene C A gamete D A phenotype

The right answer is the one marked above.

A gene. A gene is a unit that controls a characteristic and is passed from parent to offspring — exactly what Mendel deduced without being able to name or see it.

A chromosome carries many genes. Mendel’s factor is one gene, not a whole chromosome.

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