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Scientific End of  Men..? By Prof.S.Mohana, Tamil Nadu Science Forum.
Cell & chromosomes ,[object Object],[object Object],[object Object],[object Object],[object Object]
Cells  ,[object Object],[object Object],[object Object]
Cell, chromosome & gene
Number of Human Cells ,[object Object],There are approximately 30 trillion Red Blood Cells, 2 trillion Platelets, and 500 million White Blood Cells in your Circulatory System.  In Lymph system, another trillion lymphocytes and immune related cells. a total of about 38-40 trillion cells. Naturally, most of the MASS in the body is comprised by the 4 trillion cells that make up your solid tissues, especially your muscle and skeletal cells.
 
Chromosomes  ,[object Object],[object Object],[object Object]
Human chromosome ,[object Object],[object Object]
Chromosome- structure
DNA
Autosomes  & allosomes
Sex chromosomes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Female and Male children ,[object Object]
Human chromosomes
 
Human Y chromosome
Human Y chromosome ,[object Object],[object Object],[object Object],[object Object]
Character of Y ,[object Object],[object Object],[object Object],[object Object]
Chromosomes
Origin of chromosomes ,[object Object],[object Object],[object Object]
Our life
Our life ,[object Object],[object Object],[object Object]
Our life
Genes  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Human Genome ,[object Object],[object Object]
Number of Genes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Chromosomes & genes
Gene ,[object Object],[object Object],[object Object]
Gene  ,[object Object],[object Object]
DNA- Information ,[object Object],[object Object]
DNA ,[object Object],[object Object],[object Object]
Human chromosomes
Human Chrosomes  - crossing over
Human XY chromosomes
Human sex chromosomes ,[object Object]
Human sex chromosoms
XY
Mutation ,[object Object]
Y Chromosomes evolution in Animals
Y is declining
Degeneration of Y ,[object Object],[object Object],[object Object]
Dunnart – marsupial..4 genes
Degeneration of Y-why? ,[object Object],.

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Chromosomes 221009