Variations, Biology

VARIATIONS -

  1. Defined as "dissimilarities of features among members of the same species".
  2. Offsprings of same parent are different and also differ from their parent.
  3. This is due to sexual reproduction variation occuring at gene level and are inheritable hence are the raw material for evolution.
  4. The genetic constitution which governs such traits is called genotype.
  5. Phenotype is the physical expression of genes of an organism.
  6. Natural selection can act upon genetic variation only when it is expressed in the phenotype.
Posted Date: 10/9/2012 1:34:31 AM | Location : United States







Related Discussions:- Variations, Assignment Help, Ask Question on Variations, Get Answer, Expert's Help, Variations Discussions

Write discussion on Variations
Your posts are moderated
Related Questions
Which of the following is a true statement regarding the process of RNA editing? A. RNA editing changes the sequence of the mRNA message thereby permitting for enhance in prote

Define the intracellular cyclic AMP Healthy Person P takes a drug that makes a strong effect on the epithelial cells of the kidney collecting duct within one hour and lasts fo

Explain the Importance of Biochemical Tests? Specific series of biochemical tests have been developed for fast identification of microorganisms in laboratories. These biochemic

Describe tranposition of great arteries with intact ventricular septum? Transposition of great arteries with intact ventricular septum (or small VSD): There is usually inadequa

Q. Explain about Non Insulin Dependent Diabetes Mellitus? Overweight and obese adults are generally afflicted by this type of diabetes. The insulin produced by the pancreas is

Unified Cell Theory The present unified cell theory states that All living things are composed of either a single Cell or of the cells and cell products. The cell is a m

Fever influenza

Explain a review of Eating Disorder? If you talk to a group of young boys and girls in an informal setting about their physical appearance, you will find that a majority of the

Q. Can you explain Deoxynivalenol Mycotoxicosis? During 1987, an outbreak estimated to have affected over 50,000 people in the State of Jammu and Kashmir, was traced to the c

Explain Precautions for Preparation of Bacterial Smear? 1. Plates used should be prepared 24 hours before use to avoid spreading of colonies due to moisture in plates. 2. Sw