<span>The symptoms of xeroderma pigmentosum, or XP, usually appear in infancy. They can range from extreme sunburn after a few minutes of exposure to UV rays, to the reddening of the white of the eyes if no sun protection is worn. Most patients with XP develop skin or eye cancer multiple times in their lifetime. Around half of the children diagnosed with XP will develop skin cancer by their 10th birthday.</span>
she beamed X-rays through a molecule (X-ray crystallography) which gave a shadow picture by how the X-rays bounced off its component parts. this showed the double helix shape of dna
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The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population.
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Answer: Both smallpox and COV 19 are novel diseases in their respective timelines. Both spread by inhaling infected droplets, albeit COV 19 is transmitted through aerosols and surfaces touched by infected people as well.
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