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Have Some Fun! Biologist Joke!

Enzymes are things invented by biologists that explain things which otherwise require harder thinking.


INIT IV. INHERITANCE

Text 4.1. Variation

■ Essential targets:

By the end of this text you should be able to:

-define the following genetic terms: allele; homozygous; heterozygous; dominant; recessive; polygenic

-distinguish between genotype and phenotype

-distinguish between continuous variation and discontinuous variation

-explain how mutations contribute to variation.

Pre-reading



Glossary of essential terms for you to know | Discuss these questions with your partner. Then scan the text quickly to find the answers.

Discuss these questions with your partner. Then find the answers in the text. | The transmission electron microscope | The scanning electron microscope | I. Quick check | Text 3.1. DNA Structure | A polymer of nucleotides | Glossary of essential terms for you to know | VII. Answer the following questions. Use all information given before. | With your partner, consider the following questions before looking at the text. Then quickly scan the text to see if you were right. | The centromere |

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