Across
- 3. number of chromosomes after diploid cell with 40 chromosomes undergoes meiosis
- 5. meiosis phase in which homologous chromosomes are pulled to the opposite poles
- 7. proteins found in eukaryotic cell that package the DNA into nucleosomes
- 9. __________ chromosomes are those with the same shape, size and carry the same genes on the same locus
- 10. the entire base sequence of human genes was sequenced in the ________________
- 12. fixed position on a chromosome where a particular gene is located
- 13. small circular extra DNA molecules found only in prokaryotes
- 14. insertion and deletion are types of _______ mutations
- 16. heritable factor that influences a specific characteristic
- 18. species that contains between 20000 and 25000 genes
Down
- 1. diploid cell that is made after 2 gametes fuse
- 2. syndrome that s caused by trisomy of chromosome 21
- 4. shows the chromosomes of an organism in homologous pairs of decreasing length
- 6. process in which homologous chromosomes come together
- 8. process in which chromosomes or sister chromatids fail to separate during meiosis
- 11. process in which gene segments of one homologous chromosome are exchanged with the same genes of the other one
- 15. various types of genes
- 17. cells with haploid number of chromosomes