Biotechnology in Animal Science AU10.04.02

DNA Review: Held together by bases A with T G with C

Animal Cloning

Clone When an offspring is the exact duplicate of its parents

Three Primary Reasons Product uniformity Saving endangered species Chicken drumsticks Saving endangered species Reproducing animals may save endangered species Research Able to use cloned animals to isolate variables

Current Research Improving animals through gene manipulation Is not as developed as plant biotech No longer provide hormones to achieve desired traits

Production & Reproduction

BST Provides increased milk production in dairy cows Naturally occurring hormone in the pituitary gland Commercially produced through splicing genetic material into E. Coli Low cost

Artificial Insemination Introduces the male sperm into the female reproductive tract by an unnatural mating practice Creates superior animals for market and reproduction Majority of dairy cows produced in this manner

Embryo Transfer Transferring of an embryo from one female to another One female can produce many claves in a year due to superovulation Produces superior animals

Twins Based upon the sequence of the bases between the DNA Sheep most likely to have twins due to their DNA

Biotechnology in Animal Science AU10.04.02

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