Genetics Terminlogy

8. Abbreviated as F2, the second generation of offspring from a genetic cross
10. A grid used to predict the outcomes of genetic crosses
12. An allele that is expressed when present
14. father of modern genetics
15. A diagram that shows the occurrence of a trait in a family
16. Classification of blood based on antigens on red blood cells
19. The study of how traits are passed from parents to offspring
20. Having two identical alleles for a particular gene
21. When one allele is completely dominant over anotherCodominance When both alleles are expressed in the heterozygous condition
22. The genetic makeup of an organism
23. The branch of biology that studies genes and heredity

1. Abbreviated as F1, the first generation of offspring from a genetic cross
2. A cross between individuals that involves two traits
3. Breeding involving the mating of individuals with a known dominant phenotype and a homozygouse recessive
4. An allele that is masked when a dominant allele is present
5. Different forms of a gene
6. The passing on of traits from parents to offspring
7. A cross between individuals that involves one trait
9. A change in the DNA sequence that affects genetic information
11. When the heterozygous phenotype is a blend of the two homozygous phenotypes
13. Presence of more than two alleles for a genetic trait
17. The physical characteristics of an organism
18. Having two different alleles for a particular gene