Which explains how the advantage of genetic variation through sexual reproduction occurs? one of each pair of chromosomes comes from each parent. the union of sperm and egg occurs during meiosis. meiosis occurs in all body cells also. division of body cells results in a greater variety of traits. sexual reproduction allows for a great number of offspring to be produced

As kate is moving down the hill, what type of energy does she have? a. sound energy b. electrical energy c. light energy d. mechanical energy

Approximately how many times does an average human heart beat in a lifetime?

*a mastectomy is the surgical removal of one or both breasts, either partially of fully. an oophorectomy is the surgical removal of an ovary or ovaries.analyze a woman’s risk of dying of cancer if she carries a mutated brc1 gene.how do heredity and inheritance relate to the data presented in these charts? what data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries? what does the age at diagnosis tell you about the mutation? explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.