physical changes in a rock not chemical.
hope this helps
False.
Chromosomes carry genetic codes, not proteins :)
Answer:
This poisonis an example of an aboitic factor
Answer:
Crossing over, independent assortment and random fusion of gametes
Explanation:
Sexual reproduction creates variations by any of the three processes:
A) Exchange of genetic material between the non-sister chromatids of homologous chromosomes during prophase I of meiosis produce new gene combinations.
B) Independent assortment of homologous chromosomes towards opposite poles during anaphase I of meiosis I produce genetic variations among the daughter cells.
C) The random fusion of the gametes formed by meiosis further add genetic variations.