CHROMOSOMES
As you look at the nucleus, you will notice small Xs. These are what we call chromosomes. Chromosomes consists of DNA, which are the genes and are also responsible for the information for protein synthesis. When a cell duplicates, all chromosomes will duplicate and divide so that each new cell will contain the same number of chromosomes, as well as, the same inheritable information. A pig cell carries 18 chromosomes plus the sex chromosomes. This does vary however, because a female will have two X chromosomes, and the male will have an X and Y. These two chromosomes are what we call sex chromosomes.
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USA · USDA · NRPSP8 · Program to Accelerate Animal Genomics Applications.
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