Ecosystems Revision

2. An individual born with XX chromosomes
8. The study of characteristics which are inherited
10. The types of pressures that act on a given population
11. The term used to describe two of the same alleles
12. A method used to commonly determine an individual's genotype and phenotype is known as ___________ squares
13. Any difference between cells, individual organisms, or groups of organisms of any species
15. The Father of Genetics was scientist Gregor ________
17. Physical feature of an organism that allows the organism to better survive is known as a ____________ adaptation

1. An alternative form of a gene
3. Another name for the modern horse
4. Physiological changes that allow the organism's cells to perform special functions at a more optimum level are known as a ____________ adaptation
5. The term used to describe two different alleles
6. The allele that gets masked by the dominant allele
7. The physical characteristic/s of an individual based on their genotype
8. The genetic constitution of an individual organism represented by alleles
9. The allele that masks the effect of the recessive allele
14. A section of DNA
16. An individual born with XY chromosomes