Postzygotic barriers Notes: Definitions & Explanations PDF | Download eBooks
Study Postzygotic barriers lecture notes PDF with biology definitions and explanation to study What are Postzygotic barriers?. Study postzygotic barriers explanation with biology terms to review biology course for online degree programs.
Postzygotic barriers Definition:
Postzygotic barriers ("after the zygote") may contribute to reproductive isolation after the hybrid zygote is formed.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Postzygotic barriers Notes:
Postzygotic reproductive barriers occur after the zygote has formed which mean they either reduce the viability or the ability to avoid dying, or the reproductive capacity of the hybrid offspring. Such barriers include reduced hybrid viability or reduced hybrid fertility etc.
Keep Learning with Biology Notes
What is Pollen grain?
Pollen is a fine to coarse powdery feeling substance that consists of pollen grains. These grains are male microgametophytes of ...
What is Chromosomes?
The chromosomes are basically structures that hold the genetic material. The DNA molecule is neatly packaged and stacked in the ...
What is Axillary bud?
The axillary bud (or lateral bud) is an embryonic shoot located in the axil of a leaf. Each bud has ...
What is Relative fitness?
The Fitness of an organism is the quantitative representation of natural and sexual selection within evolutionary biology. It can be ...
What is Endosymbiont theory?
This theory basically describes how a large host cell and ingested bacteria could easily become dependent on one another and ...
What is Post translational modification?
After translation of a peptide, certain amino acids may be chemically modified by the attachment of sugars, lipids, phosphate groups, ...
