Causes of variation, Biology

CAUSES OF VARIATION -

Effect of environmental conditions

Change in the gene pattern like -

(a) Random distribution of homologous genes in meiosis

(b) Crossing over

(c) Dual parentage

(d) Random union of gametes during fertilization

Posted Date: 10/9/2012 1:38:07 AM | Location : United States







Related Discussions:- Causes of variation, Assignment Help, Ask Question on Causes of variation, Get Answer, Expert's Help, Causes of variation Discussions

Write discussion on Causes of variation
Your posts are moderated
Related Questions
Q. The vascular lesions caused by leeches upon the blood vessels of their host cause blood naturally to coagulate. How does the leech solve this problem since it could be expected

Fragmentation and Regeneration Both the situations mentioned above that is whether occurring naturally or accidentally, can in general, be categorized like fragmentation. Of

Define the Recommended Dietary Allowances of Vitamin K? Recommended dietary intakes have not been suggested for different age groups or gentler. The safe levels of intake have

Explain Continuous Murmurs and their characterstic in details? These murmurs are continuous throughout systole and diastole. It is due to continuous blood flow in the same dire

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Differential reinforcement of low response rate (DRL) This is used to encourage low rates of responding. Example: "If you ask me for a potato chip no more than once every 10 mi

What is the mechanism by which gap junctions could relay signals from G protein coupled receptors between cells within a tissue?

Q. What is the estimated percentage (in mass) of water in the human body? Is this percentage expected to be larger in the adult or in the old individual? Ans. Approximatel

In designing an experiment to find out whether light is required for photosynthesis    (a) what is the principle of the design    (b) what control would you use?

Why is the fish circulation classified as a simple and complete circulation? Complete circulation is that in which there is no mixture of venous blood and arterial blood. As ci