Autism, Schizophrenia, leukemia,
could you give me brainliest if correct?
DNA is made out of Deoxyribose sugar, phosphate, and nucleotides
Answer:
I) Sexual reproduction
II) Mutation
Explanation:
Variations refer to the difference observed within organisms of the same species. Variation are introduced into a population by:
- new genetic combinations that occur during sexual reproduction (i.e during meiosis)
- mutations, spontaneous changes that occur in genes and chromosomes.