Genetics

2. phase of mitosis in which the mitotic spindle is completely formed
6. having two matched sets of chromosomes
9. a disease of the cell cycle in which cells divide uncontrollably and destroy healthy tissues
12. an individual who is heterozygous for a recessive genetic trait
13. any chromosome that does not determine gender
14. one single unit of chromatin
18. a segment of DNA that carries coded information for making a protein
19. phase of mitosis in which the nuclear envelope reappears
21. having two identical alleles for a gene
22. a gene allele that is only expressed if two copies are present
23. having only one set of chromosomes
25. a term used to indicate the alleles that are present for any gene

1. protein synthesis
3. phase of mitosis in which the nuclear envelope disintegrates
4. a chromosome that determines gender
5. a term used to describe the detectable expression of a trait, based on alleles present for a gene
7. an alternative form of a gene
8. the enzyme that transcribes a gene to make RNA from a DNA template
10. having two different alleles for a gene
11. the enzyme that replicates DNA from a DNA template
15. entire series of steps a cell undergoes from one cell division to the next
16. division of the cytoplasm of a cell
17. division of the nucleus of a cell
19. the synthesis of RNA from a DNA template
20. a gene allele that is always expressed
24. phase of mitosis in which sister chromatids separate