Genetics

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