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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<span>There are only heterozygous in roses red flowers there offsprings have long stems and the are very dominent </span><span> all of the offspring will have red long stemmed flowers.
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Hemoglobin is a special protein in the blood that captures and carries oxygen.
Explanation:
A ) Fossil fuels provide cheaper energy
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