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Essentially, photosynthesis is the process by which plants convert light energy to produce sugar. It needs water, light and carbon dioxide to occur and produces oxygen and sugar/carbohydrates. Photosynthe...

The nucleus contains all of the genetic information of the cell. This genetic information is the DNA. DNA is deoxyribonucleic acid, and through this the cell is able to complete its functions through tran...

The recessive allele is always expressed in males, whereas females need two recessive alleles (homozygous recessive). Females could have dominant and recessive alleles, which would mean they are carriers,...

The pancreas consists mainly of exocrine tissue (<98%) which produces pancreatic enzymes required for digestion. The remaining endocrine tissue is organised into Islets of Langerhans which contain 5 di...

For aesthetic reasons (shorter snout, lighter fur etc)To reduce allergensTo reduce aggression To breed out genetic defects