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Plant sexuality
Plant sexuality deals with the wide variety of sexual reproduction systems found across the plant kingdom. This article describes morphological aspects of sexual reproduction of plants. That plants ... > more -
Erectile Dysfunction
Healthy Aging
Attention Deficit Disorder
Mating and Breeding
Muscular Dystrophy
Sports Medicine
Sex linkage
Sex linkage is the phenotypic expression of an allele that is dependent on the gender of the individual and is directly tied to the sex chromosomes. In such cases there is a homogametic sex and a ... > more -
Somatic cell
A somatic cell is generally taken to mean any cell forming the body of an organism. Somatic cells, by definition, are not germline cells. In mammals, germline cells are the sperm and ova (also known ... > more -
Mixed-breed dog
A mixed-breed dog, also called a mutt (shortened from muttonhead), crossbreed, mongrel, tyke, cur, or random-bred dog, is a dog that is a mixture of two or more breeds, or a descendant of feral or ... > more -
Insects (including Butterflies)
Agriculture and Food
Invasive Species
Mating and Breeding
Healthy Aging
Attention Deficit Disorder
Africanized bee
Africanized bees, also known as killer bees, are hybrids of the African honeybee with various European honeybees descended from 26 Tanzanian queen bees accidentally released in 1957 in Southern ... > more
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