ANT 230 Lecture Notes - Lecture 4: Dolly (Sheep), Recombinant Dna, Dna Replication

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Entire sequence of dna bases responsible for the synthesis of a protein. A mutation occurs usually during replication where a base is replaces with another base. Bind to dna and tell them what to do. Directs the development of particular segments of the body. Responsible for the differences in our vertebra. Results in production of two new cells. Histone proteins that the dna wraps around to become tightly coiled. Carry same genetic info but they might have different copies of a particular gene. Autosomes govern all physical characteristics except sex determination. Occurs during growth and repair of tissues. Dna replication, cell is divided into two different cells, resulting in two daughter cells. Starts with the replication of sex cells. Dna replicated so that there is two pairs of the 46 chromosomes. Split into two (four cells in each) Split again so it results in 4 daughter cells, containing only half the genetic material it started out with (23)

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