Across
- 4. a genetic variant that masks the presence of a recessive allele
- 5. A variant form of a gene, representing different versions of a DNA sequence and its traits
- 6. A segment of DNA that acts as the basic unit of heredity
- 7. A genetic alteration that changes a single nucleotide but does not alter the resulting amino acid sequence
- 9. An individual's individual genetic makeup
- 10. 2 different alleles for a specific gene
- 11. A permanent alteration in an organism's DNA sequence
- 12. physical expression of traits
- 14. The entire set of genetic instructions (DNA) found in a cell
- 15. Thread-like structure made from coiled DNA found in the nucleus
- 16. A type of mutation where a single nucleotide base is replaced by a different base
Down
- 1. A genetic alteration where a DNA change creates a premature stop codon in the amino acid sequence
- 2. A type of mutation that is caused by insertion or deletion
- 3. A genetic alteration of adding 1 or more nucleotides, changing the DNA sequence
- 8. A genetic alteration of losing 1 or more nucleotides, changing the DNA sequence
- 13. 2 identical alleles for a specific gene