eduardo tell us about the DNA and the GENES he tell us how to identify by the chromosomes if is MALE or FEMALE the male have a chromosome in form a Y and a chromosome in form of X and the women have the two cromosomes in form of X he show as about what was the problem of the down sindrome why was caused this sindrome start when the baby in in creation proces in the 21 chromosome the chromosome duplicate like all of them but it groos and other chromosome that makes that they cant think so good . he tell us ahat bout to of the dna and i ask a question why it exist an animal called okapi that is a combination betwen zebra jirafe and horse he tell me that was agood question and that know it now alot about of science that you cantake the dna from the nucleus of a cell and covine whith another tipe of dna we will have a mutuation and somethink that is so interestingis that in the future the doctors can do a modification taking aut that extra chromosome and they will cure the sindrom of down .
dna okapi
Excellent work Luis !
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