When you cross the parents on the outside of the Punnett square, the letters inside the boxes are the offspring
Explains the heart and breathing rate
The three chromosomal aberration:
1.) Inversion - breakage of chromosome in two places , the other piece of DNA is re- inserted into the chromosome.
2.) Translocation - the one piece breaks off and attaches to another chromosome.
3.) Deletion - the loss of segment of chromosome.
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Explanation:
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Karyogram of a male with Down syndrome.
