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MCAT — free MCQ practice

Choose from 29 questions across 1 subjects and 4 topics. Open any question for its answer and worked solution, or keep learning through bite-sized lessons and reviews with Quill.

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MCAT subjects

Biology (29)

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BiologyGeneticsHeredityMendelian Genetics

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The scientist regarded as the father of genetics is:Read the answer and worked solution →Scientists of his day wrongly believed inheritance worked by parental traits:Read the answer and worked solution →Mendel studied inheritance using the species Pisum sativum, better known as the garden:Read the answer and worked solution →Mating two true-breeding individuals with different traits is called:Read the answer and worked solution →

Worked practice questions

The scientist regarded as the father of genetics is:

  1. Mendel
  2. Morgan
  3. Miescher
  4. Malthus
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Correct answer: A. Mendel

1. He worked with pea plants in a monastery garden. 2. His crosses revealed the rules of inheritance. 3. That scientist is Gregor Mendel. _Source: OpenStax Biology 2e, Chapter 12, Mendel's Experiments and Heredity._

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Scientists of his day wrongly believed inheritance worked by parental traits:

  1. Bracketing
  2. Blending
  3. Bleaching
  4. Blocking
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Correct answer: B. Blending

1. The expectation was an intermediate offspring. 2. Mendel's crosses showed distinct classes instead. 3. The mistaken idea was blending inheritance. _Source: OpenStax Biology 2e, Chapter 12, Mendel's Experiments and Heredity._

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Mendel studied inheritance using the species Pisum sativum, better known as the garden:

  1. Pea
  2. Pine
  3. Palm
  4. Plum
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Correct answer: A. Pea

1. The plant self-fertilises within its own flowers. 2. It also grows quickly with clear contrasting traits. 3. That plant is the garden pea. _Source: OpenStax Biology 2e, Chapter 12, Mendel's Experiments and Heredity._

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