1					2
																					3
4		5				6																	7
									8
9																											10
									11						12
13
						14
					15
		16																							17
18															19
										20
									21
								22
	23																						24
																	25	26
	27
													28								29
	30
	31																32

Across 6. the offspring of self-pollinated F1 generation plants 8. the external appearance of an organism that is determined by the individual’s genotype 9. the genetic makeup of an organism 11. in genetics, a category within which alternate characteristics, such as height and eye color, can be observed 12. law stating that pairs of genes separate in meiosis and each gamete receives one gene of a pair 13. the male reproductive organ which creates pollen 14. an inheritance relationship in which neither of two alleles of the same gene totally masks the other 16. law stating that pairs of genes separate independently of one another in meiosis 18. ability to always pass on a specific trait to offspring 19. a cross between individuals that involves the pairing of contrasting traits 21. the study of the structure and function of chromosomes and genes 23. an inheritance relationship in which one allele is completely dominant over the other; both Bb and BB have the same phenotype 25. the number of times an event is expected to happen divided by the number of opportunities for an event to happen 27. the probable ratio of genotypes produced by a cross 28. an alternative form of a gene 29. the field of biology devoted to understanding how traits are passed from parents to offspring 30. referring to a gene pair in which the two alleles do not code for the same trait 31. referring to a gene pair in which the two alleles code for the same trait 32. the crossing of an individual of unknown genotype with a homozygous recessive individual to determine the unknown genotype

Down 1. the offspring of cross-pollinated P1 generation plants 2. an inheritance relationship that occurs when both alleles influence the phenotype 3. the transfer of pollen from an anther to a stigma of a flower of the same species 4. the female reproductive portion of the flower that collects the pollen 5. a ratio stating the number of times a specific phenotype occurs in a population in a single generation 7. denotes a plant that is pure for a certain trait 10. a model used to establish the probabilities of the results of a genetic cross 15. pollination involving the same flower, flowers on the same plant, or two genetically identical plants 17. a reproductive process in which pollen from one plant is transferred to the stigma of another plant 20. a cross between individuals that involves one pair of contrasting traits 22. the transmission of traits from parents to their offspring 24. referring to an allele that masks the presence of another allele for the same characteristic 26. referring to an allele that is masked by the presence of another allele for the same characteristic