Genetics and Natural Selection Revision

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Across
  1. 2. An individual born with XY chromosomes
  2. 5. Physiological changes that allow the organism's cells to perform special functions at a more optimum level are known as a ____________ adaptation
  3. 6. Another name for the modern horse
  4. 10. The term used to describe two different alleles
  5. 12. A section of DNA
  6. 14. The study of characteristics which are inherited
  7. 15. Physical feature of an organism that allows the organism to better survive is known as a ____________ adaptation
  8. 16. The physical characteristic/s of an individual based on their genotype
  9. 17. The allele that masks the effect of the recessive allele
  10. 18. The Father of Genetics was scientist Gregor ________
Down
  1. 1. An individual born with XX chromosomes
  2. 3. A method used to commonly determine an individual's genotype and phenotype is known as ___________ squares
  3. 4. The term used to describe two of the same alleles
  4. 7. An alternative form of a gene
  5. 8. Any difference between cells, individual organisms, or groups of organisms of any species
  6. 9. The allele that gets masked by the dominant allele
  7. 11. The genetic constitution of an individual organism represented by alleles
  8. 13. The types of pressures that act on a given population