Post-mating isolating mechanisms, Biology

Assignment Help:

The second category of isolating mechanism that may permit interspecific mating but ensures reduced viability is called post-mating isolating mechanism. This category could be subdivided into two types.

Interspecific steiility : Organisms belonging to different species may mate, but may not produce any offspring.

Hybrid sterility : Here the interspecific cross may result in an F1 offspring but the offspring is invariably sterile.

We shall now briefly look into each one of these sterility mechanisms with plant and animal examples.


Related Discussions:- Post-mating isolating mechanisms

Biological conduits, Biological Conduits : Freeze dried arterial, bov...

Biological Conduits : Freeze dried arterial, bovine MA, human umbilical vein, cryo preserved umbilical vein or artery and omniflow sheep collagen tube grafts also have poor

Abscisic acid, Abscisic Acid Abscisic acid (ABA) as a naturally occurr...

Abscisic Acid Abscisic acid (ABA) as a naturally occurring growth inhibitor was discovered through independent investigations of different physiological phenomena in two diffe

What hormone can be used to overcome jet lag?, Q. What hormone can be used ...

Q. What hormone can be used to overcome jet lag? Jet lag takes place when an individual's biological clock is out of sync with local time. According to general rule it takes ab

Determine the importance of educational history- assessment, Determine the ...

Determine the importance of Educational History- assessment  A complete school history includes information regarding a child's current grade placement, any grade repetitions o

Convergent evolution, Convergent evolution is the development of the simil...

Convergent evolution is the development of the similar type of structures in distantly related organisms as a result of adapting to similar environments or strategies of life. For

Define the term epimerism, Define the Term Epimerism? In addition to D ...

Define the Term Epimerism? In addition to D and L isomerism sugars also exhibit epimerism. Hexoses that differ from each other as a result of variation of H and OH on carbons 2

Explain the scaling instrumentation of prothesis, Scaling Instrumentation o...

Scaling Instrumentation of prothesis Although stainless steel is generally the most effective material for removing calculus, it cannot be used with implants, because it scratc

Destinations of the organic material fabricate by producers, Q. What are th...

Q. What are the destinations of the organic material fabricated by the producers? The Part of the organic material synthesized by the producers is consumed as energy source for

Define direct measurement of individual''s work capacity, Define Direct mea...

Define Direct measurement of individual's Work Capacity? Direct measurement of VO 2 max is determined by having the subject perform exercise at increased loads, for 12 to 15 m

How do the repairing enzymes of the genetic system act, How do the repairin...

How do the repairing enzymes of the genetic system act? There are enzymes inside the cells that detect errors or alterations in DNA molecules and begin a repair of those errors

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