Genetics Crossword

2. another word for heterozygous
7. When both alleles are expressed completely. Two traits appear at the same time
9. A trait expressed if any of its alleles are present, such as brown hair when a gene is Bb
12. The pattern of alleles in the genes of an organism that lead to expressed traits, such as Bb
13. When an allele is not completely dominate or not completely recessive. The phenotype is somewhere in-between the two homozygous phenotypes
15. One of the two copies of a gene, each coming from one of the parents, such as h in Hh
16. A historical word that explains why offspring are like their parents in many ways

1. The scientific study of trait inheritance through genes
3. A trait that is only expressed if both alleles for it match, such as blonde hair (bb)
4. A characteristic/feature that gets passed down from parent to offspring
5. The actual expressed trait a genes codes for and is visible or detectable in the body of the offspring, such as brown hair
6. When two alleles match, such as BB or bb
8. A unit of inheritance, which is an actual piece of DNA of some length
10. another word for homozygous
11. A graphical tool geneticists use to determine the probability of offspring traits from a mating pair
14. When two alleles are different, such as Bb