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Across 4. chromosomes that is not is a sex chromosome 5. set of photographs of chromosomes grouped in order in pairs 6. One of two chromosomes that determine an individuals sex 8. alleles that are capital letters and causes some genetic diseases 9. Process of changing the gene 12. On going effort to analyze the human DNA sequence 13. A genetic disease that causes mucus to build up inthe lungs and air passages 14. A genetic disease that causes RBC to formed like cresents 16. analysis of sections of dna that have little or no known function 17. error in meoisis in which homologous chromosomes fail to seperate 19. disorder tha occurs on chromosomes during meiosis 20. chromosomes associated with males 21. If two copies of an autosomal chromosome fail to seperate during meiosis

Down 1. Sex-linked disorder that results in the progressive weakening and loss of skeletal muscle 2. chart that shows the relationship within a family 3. alleles that are one capital and one lower case letters that work together 7. chromosome associated with females 10. the groups that decide blood type 11. lower case letter that are generally associated with genetic disorders 14. gene located on the x or y chromosome 15. a sex linked trait that does not allow you to see color 18. sex-linked trait causes people not to produce clotting protiens