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.
Asexual reproduction is reproduction without sex. In this form of reproduction, a single organism or cell makes a copy of itself. The genes of the original and its copy will be the same, except for rare mutations.They are clones.exual reproduction is a way of reproduction of some animals and plants. Some protists and fungi also reproduce this way. Organisms that reproduce sexually have two different sexes: male and female. Offspring is made by a cell from the male and a cell of the female.