1.
The molecule carrying genetic instructions.
3.
Threadlike structure of nucleic acids.
4.
Passed from parent to offspring.
5.
A specific characteristic.
6.
Different forms of a gene.
8.
Observable physical characteristics.
9.
Change in DNA sequence.
12.
Surroundings influencing development.
13.
Environmental influences.
14.
Process of adjusting to surroundings.
15.
Actions learned or developed.
16.
Food consumed, affecting growth.
17.
Nutrients influencing physical development.