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Across 1. a condition of having an extra autosome (triplet rather than a pair) 5. a chart that illustrates genetics relationships in a family over generations 9. 22 identical pairs of chromosomes 10. entire collection of proteins encoded by the genome 12. the presence of only one autosome rather than a pair 15. attachment between the two arms of a chromosome 20. condition characterized by a lack of melanin pigment 21. a person showing dominant traits capable of passing on the recessive gene 22. bits of formerly functional genes 23. double helix that carries the "blueprint" for the body 24. segments of a DNA molecule 25. the scientific study of inheritance

Down 2. cartoon of a chromosome 3. square that is used to determine probability of inheriting certain traits 4. compacts mass of DNA that is formed during cellular replication 5. analysis of proteins encoded for by the genome 6. entire collection of genetic material in the typical cell 7. analysis of the genomic code 8. genes that are capable of masking effects of other genes 10. shorter segment of the chromosome 11. a form of dominance in which a person has more than one dominant gene 13. chart showing the 46 chromosomes in numbered pairs by size 14. longer segment of the chromsome 16. agent that causes mutation 17. genes that you must have two of to be expressed 18. sex cells (spermatozoa and ova) 19. funtional protein that allows biochemical reactions to occur