American History Timeline

by ayamurra
Last updated 3 years ago

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Social Studies
American History

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American History Timeline

4. Alleles are different forms of a gene.

An alien named Drozer from Planet Zabinga arrives in our classroom. He looks around the class and concludes that all humans are the same and we are clones of each other. He wants to transport the class to Zabinga for testing. It is your job to explain to Drozer that humans are different using the information you know about genetics. Instructions: After reading each statement, choose whether you agree or disagree with the statement in the "Before Reading" category. When you are fnished going through the statements, read the textbook and determine if your choices are correct. You will choose whether you agree or disagree with the statement after reading the textbook in the "After Reading" category. If there was a difference between the Before and After categories, you must explain why. A happy face means you agree, a sad face means you disagree.

Anticipation Guide for Biology 30: Genetics

5. Dominant and recessive traits are contributed by parents and the dominant trait is the one that is expressed.

1. Every living thing on Earth including plants and animals has a set of characteristics inherited from parents.

2. DNA is the unit of heredity that is transferred from a parent to offspring and determines the offspring's characteristics.

6. Watson and Crick are considered the Fathers of Genetics because of their work with pea plants.

3. DNA is found in the mitochondria of the cell.

7. We use Punnett Squares to determine the probability of the offspring inheriting a certain trait from the parents.


Before Reading

Before Reading


8. Humans have 46 chromosomes, of which 44 are autosomal chromosomes and 2 are sex-linked.


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