Thyroid disease causes dry eyes. Puffiness of the lids, swelling, bulging eyeballs, double vision, and pain when moving the eyes are all symptoms of this ailment, which an eye doctor will recognize and refer you to the appropriate health care provider for diagnosis and treatment.
Report Abuse. asexual reproduction is simply cloning-an exact copy of the single parent genes, while sexual reproduction allows a mixture of alleles creating more variation. Source(s): i am a bio major and tutor.bio girl Â· 7 years ago.exual reproduction on the other hand involves the mating of two half cells of similar genetic code but not the same. The source of the two half cells are two different living things with different codes. Hence you have more variation in sexual reproduction vs asexual. Know-it-all Â· 7 years ago.
The third way that sexual reproduction provides greater genetic diversity than asexual reproduction is through the process of fertilization, or gamete fusion. Gametes contain only half the amount of DNA of a normal cell, so two gametes must fuse to form a new cell that will develop into a new organism.exual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms.