Genetics Crossword

1. Double helix of nucleotide that carries genetic instructions
4. A haploid cell that fuses with another haploid cell during fertilization
6. A diagram showing the lineage or genealogy of an individual and all the direct ancestors
8. The genetic outcome of a particular cross
14. The building blocks of nucleic acids
15. Unit of heredity
16. Found in the nucleus, carries genetic information
17. Two of the same allele
18. Two different alleles

2. Forms of a gene
3. If present, this allele will always present in the phenotype
5. Two of these alleles are required to present in the phenotype
7. Position of a gene on a chromosome
9. Diagram to predict the outcome of a genetic cross
10. A monk who grew peas and discovered the basic principles of heredity
11. The observable characteristics of a particular cross
12. A seal's flipper is _______ with the human arm
13. The number and appearance of chromosomes in the nucleus of a eukaryotic cell