Gene pool, Biology

Assignment Help:

Natural selection can therefore mean differential reproduction among members of the sarne gene pool. We earlier said that selection would promote those alleles that give rise to phenotypes that are better adapted to a given environment. In other words, the frequencies of 'such alleles would tend to increase and those of ill-adapted ones would tend to decrease. What we are sayingis that natural selection is a matter of changes in gene frequencies. Differential reproduction has a dual role to perform. One it leads to or maintains adaptations and therefore determines whether individuals of a population or species will survive; and two, it is a process which determines what changes will occur in the frequencies of alleles in a gene pool of sexually reproducing individuals.


Related Discussions:- Gene pool

What are varices, What are varices? Why are they more common in the inferio...

What are varices? Why are they more common in the inferior limbs? Varix means abnormal enlargement of veins. Varices happen when excessive pressure against the normal blood fl

Illustrate the interphase, Q. Is the cell division happening during the ent...

Q. Is the cell division happening during the entire cell cycle? What is the interphase? Cell division properly occurs throughout the mitotic phase of the cell cycle. During int

Venous drainage of the heart, The coronary sinus is the main vein of the he...

The coronary sinus is the main vein of the heart and is about 3 cm. long. It lies in the coronary sulcus at the posterior surface of  the heart in the posterior atrio-ventricular g

Why hydrogen is more stable, Select all that are true/correct: Stable atoms...

Select all that are true/correct: Stable atoms have no vacancies in their outer shell. Hydrogen is more stable than carbon Helium is more stable than carbon Helium is more stable t

Functions of golgi body, FUNCTIONS (1 )      Cell secretion - Golgi ...

FUNCTIONS (1 )      Cell secretion - Golgi body is concerned with secretion (export) of macromolecules. Secretion involves three steps:- (a) Golgi body receives the mat

What are the functions of the osseous tissue, What are the functions of the...

What are the functions of the osseous tissue? The major functions of the osseous tissue are: to give structural rigidity to the body and to delineate the spatial positioning of

Explain delayed loading implant exposure, Q. Explain Delayed Loading Implan...

Q. Explain Delayed Loading Implant Exposure? The philosophy that has been described has its main objectives in the predictable achievement of osseointegration and the creation

Classification of enzymes, Classification of Enzymes : Enzymes are clas...

Classification of Enzymes : Enzymes are classified  into the following six main categories in according with  the nature of reaction the catalyze: 1.      Oxidoreductases

Fine structure of pollen tubes grown in vitro, Fine Structure of Pollen Tub...

Fine Structure of Pollen Tubes Grown in Vitro The growth in pollen tubes is exclusively restricted to the tip. Cytochemical analysis reveals the pollen tip zone to be rich in

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