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Across 5. The male gametes 9. the study of family tree 10. Any contiguous living system, such as an animal, plant or bacterium. 12. Transmission, expression and evolution of genes 13. referred to as loci 18. The physical expression of the a gene 20. Is the plural form of Locus 21. the male and female sex cell 25. The basic unit of inheritance 26. He was given credit for publication of Inheritance rules in 1866 29. Is an mathematics principle 30. The DNA in conjunction with a protein matrix forms 32. is a measure of chance 33. A human the AB alleles for the ABO antigens of red blood. 34. Two factor cross 35. A quality that is transferred from parent to offspring 36. cell has half the usual number of chromosomes 37. When an individual has two of the same allele, whether dominant 38. The studyof plants, including flowering plants, and plant-like things such as moss and seaweed

Down 1. the female sex cell 2. the inheritance pattern involves two or more genes that are closes together on the same chromosomes. 3. Punnett is a french Mathematician that discover the Punnett square. 4. referred to as sex linked 6. the alternative form of a genes 7. Garden pea characteristic is discontinous 8. The written and inner expression of a gene 11. the study of the structure of organisms and their parts 14. are threadlike and found in the nucleus 15. Y-linked is found on the Y-chromosome which used to controlled 16. Each gene occupies a specific position. 17. The Garden pea is from the family which many seeds are source for food. 19. A gene that is not expressed 22. Having dissimilar pairs of any hereditary characteristic 23. Mendel suggested that each individual carried two genes for a given trait. 24. Involves a single chracteristic 27. separation of alleles 28. The transfer of pollen to the stigma of the flower 31. A gene that is express phenotpyically in an homozygous or heterozygous individual