For the homozygous parent for the white flower, it'd be either WW or ww, it just depends on if the genotype is homozygous dominant or homozygous recessive. As for the red parent plant it'd be the same either RR or rr, it's just depends on if it's homozygous dominant or homozygous recessive.
After hypothesis you do experiment, collect data, analysis, conclusion
Nondisjunction
It is in an embryo with three copies of chromosome 21 instead of the usual two. So if the pairs of 21st chromosomes in either the sperm or the egg then it fails to separate to form an egg.
2. enzyme
3. esophagus
4. lower esophageal sphincter (LES)
5. throat (pharynx)
6. stomach
7. stomach
8. protein
9. HCL
10. small intestine
11. chemical
12. nutrient
13. cells
15. bacteria
16. anus
17. solid