Genetics
Across
- 5. type of chromosomes that carry the same sequence of DNA
- 7. The various specific forms of a gene are alleles
- 8. type of cell division used to produce gametes
- 10. random change that occurs is a DNA sequence
- 14. the X and Y chromosomes
- 16. Heritable factor that consists of a length of DNA
- 17. a defect which occurs when sister chromatids are not seperated during anaphase
- 18. small extra DNA molecules that are commonly found in prokaryotes
Down
- 1. a record of the chromosomes of an organism shown in homologous pairs of decreasing length
- 2. pair of homologous chromosomes formed into a tetrad
- 3. type of nuclei that contain one chromosome of each pair
- 4. the trisomy 21 defect
- 6. the specific karyogram for the observed organism
- 9. an act of homologous chromosomes exchanging genetic information during prophase 1 of meiosis
- 11. the whole of the genetic information of an organism
- 12. proteins found in chromatin that aids in supercoiling
- 13. the material that chromosomes are made of
- 15. type nuclei that contain pairs of homologous chromosomes