Science, Wednesday, April 19

Mendel and his Peas

How can we study inheritance?

Read the following article:

https://www.khanacademy.org/science/biology/classical-genetics/mendelian–genetics/a/mendel-and-his-peas

1)  Characteristics that run in families often have a genetic basis. What does this mean?

2) What did Mendel notice when he bred a tall pea plant with a short pea plant? Explain.

3) In the mid-1800s when Mendel was doing his experiments, most biologists subscribed to the idea of “blending inheritance.” Explain what this means.

4) Why did Mendel work with peas to study genetic inheritance?

5) The blending inheritance model could not explain Mendel’s results. Explain. In addition to your explanation, provide a labeled diagram.

6) In Mendel’s pea plant experiment, he started with a P generation. Explain.

7) What was Mendel’s first generation called? What does the F stand for? How did Mendel get this generation of pea plant?

8) What was Mendel’s second generation called? How did Mendel get this generation of pea plant?

9) Draw a labeled diagram of Mendel’s experiment with the P generation, F1 generation, and F2 generation  of pea plants.

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