Answer:
What causes genetic variation?
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism’s offspring).
Explanation:
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The Krebs cycle occurs in the <span>matrix of mitochondria. It is one of the main processes of creating energy for the organism.</span>
It could occur after a forest fire or flood.
For number 3, Queen Victoria's children and Queen Elizabeth II's descendants are Edward VII, George V, George VI
for number 4, the descendants of Philip of Greece are Alice, Victoria of Hesse, Alice of battenburg
The hormone that stimulates ovaries to release one egg per ovarian cycle is called follicle-stimulating hormone (FSH). This hormone is produced in the pituitary gland. Most woman will reach puberty by their teen years.