DNA Replication
Keystone Standard:

B.1.2.2. Explain the functional relationships between DNA, genes, alleles, and chromosomes and their roles in inheritance.

B.2.1.2. Describe processes that can alter composition of number of chromosomes (i.e., crossing-over, nondisjunction, duplication, translocation, deletion, insertion, and inversion)


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Tour the Basics

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DNA discovery & Replication

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PBS -Tutorial on DNA

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DNA structure

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4th slide-explain replication