Variations, Biology

Assignment Help:

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.

Related Discussions:- Variations

Explain about the term demand, Explain about the term demand. Demand:...

Explain about the term demand. Demand: Potential customers (consumers, buyers or households) of a good or a service into a market, which normally a demand curve is utiliz

Define role of vitamin a in controlling gene expression, Define role of Vit...

Define role of Vitamin A in controlling gene expression? Vitamin A as retinoic acid has widespread effects on the synthesis of a variety of important proteins. These diverse ef

What is a terrestrial organism, Explain what is a terrestrial organism? ...

Explain what is a terrestrial organism? Ans) 'Terra' is the Latin word for earth. Thus, an animal that lives on the surface of the earth is known as terrestrial. This is the si

Explain the crystal twinning, What is Crystal twinning Crystal twinning...

What is Crystal twinning Crystal twinning happens when two separate crystals share some of the similar crystal lattice points in a symmetrical manner. The result is an intergro

What do you mean by overgloves, Q. What do you mean by Overgloves? The ...

Q. What do you mean by Overgloves? The purpose of these gloves is to use time more efficiently and to protect the skin on the hands through minimizing the number of times that

Signify platelets of blood, Which of the subsequent statements concerning p...

Which of the subsequent statements concerning platelets is INCORRECT. Platelets: a) Are between 1/2 and 1/3 the diameter of the red cell b) Are roughly disk-shaped c) Hav

What is cytokinesis in cell reproduction, what is Cytokinesis in cell repro...

what is Cytokinesis in cell reproduction? Cytokinesis: Mitosis is usually followed by cytokinesis, the division of the cytoplasm and cell membrane. Cellular organelles are no

Determine the important rule of insulin syringes, Insulin Syringes Syri...

Insulin Syringes Syringes for insulin are designed for standard U-100 insulin. 1 ml of insulin has 100 standard units of insulin. Syringe has markings in insulin units it helps

Increase in the divcat conductance of neuron b, Consider Neuron B in the fr...

Consider Neuron B in the frog central nervous system whose plasma membrane has a previously unknown channel that is selectively conductive to a newly discovered divalent cation nam

Explain what an isotonic fluid loss means, Your client has the flu and repo...

Your client has the flu and reports 5-6 loose stools a day. He has experienced an isotonic fluid volume loss. Explain what an isotonic fluid loss means.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd