human genetics eye color

Heredity and Variation - All living organisms reproduce. Reproduction results in the formation of offspring of the same kind. A pea plant produces only pea plants each time it reproduces. A rat produces only rats. Humans produce only humans. However, the resulting offspring need..

The endocrine gland attached to the roof of third ventricle in the rear portion of brain, is known as the pineal gland, named for its resemblance to a pine cone. It has no direct connection with central nervous system. It is variable in size and weighs about 150 mg, but it is richly vascularised an..

Causes of Cancer - A chemical or other environmental agent that produces cancer is called a carcinogen. The world Health organisation estimates that carcinogens may be associated with 60 - 90% of all human cancer. Depending upon their mode of action carcinogens are of 3 types. (1) Carcino..

. These safe storage facilities preserve the genetic diversity of the food supply for most of the human population. That supply is vulnerable to many kinds of pathogenic fungi, viruses, and bacteria. To give an example, a new fungal strain of Southern Corn Leaf Blight destroyed ..

It is a case of loss of memory and ability of judgement as well as general physical impairment. It is due to the accumulation of amyloid protein plaques in the brain resulting in the degeneration of neurons. Different genes have been linked to Alzheimers disease but these genes only predict suscep..

From the above observations of production of different traits, it is clear that in sexual reproduction, the genetic materials from the two sexes participating are different from each other. All human chromosomes are not paired similarly, the sex chromosomes in men is odd in not..

. Speciation does not intend to convey the dieing out of one inferior species giving way to superior ones. Species adapt to the conditions available in their environment. Some older and simple species live on quite effectively. The scorpion, is one of the more primitive invertebrate which has lived..

. Another natural phenomenon related to the scattering of light is the red appearance of the sun at the sunset and sunrise. At these times the sunlight has to travel a large distance through the atmosphere. The blue and the neighboring colors are scattered away and the red light reaches o..

Human Genetics..

. They found him cute because of his shining feathers with shimmering patterns displaying rainbow colors. He had a curved, cosy, and rounded body, dark liquid eyes. He had bushy little hands, complete with thumbs that cutie pie used with astonishing speed and skill. Cutie Pie be..