Does the environment exert an influence on the phenotype, Biology

Assignment Help:

Does the environment exert an influence on the phenotype?

A phenotype may be changed (compared to the original situation conditioned by its genotype) by nongenetic means. Examples: some hormones might be cease to be secreted due to diseases but the genes that verify their secretion remain intact; a person can go to a hairdresser and change the color of his/her hair; plastic surgery can be performed to alter facial features of an individual; colored contact lenses may be worn; a plant can grow beyond its genetically conditioned size by application of phytohormones.

 


Related Discussions:- Does the environment exert an influence on the phenotype

Back cross, BACK CROSS When F 1  individual (Tt) is crossed with one of...

BACK CROSS When F 1  individual (Tt) is crossed with one of the two parents, either tall (TT) or dwarf (tt), such a cross is called the back cross. There are two possibilities

Explain the escherichia - characteristics of bacteria, Explain the Escheric...

Explain the Escherichia - Characteristics of Bacteria? It belongs to order Enterobacteriales. It is the best-studied organism present in the colon of humans and other warm-bloo

How to prepare a key, Q. How to Prepare a Key? Let us prepare a key by ...

Q. How to Prepare a Key? Let us prepare a key by making a choice of. characters, listing significant and insignificant characters, tabulating these characters and forming dicho

Differenciate b/w gymnosperms -pteridophytes- bryophytes, How different are...

How different are gymnosperms from pteridophytes and bryophytes? Gymnosperms are not cryptogamic as pteridophytes and bryophytes are. They are phanerogamic and so they form see

Give choice of catheters for ventriculography, Q. Give Choice of Catheters ...

Q. Give Choice of Catheters for Ventriculography? 1) Pigtail Catheter: This catheter developed by Judkins has end hole and side holes. The end hole permits insertion of the c

Ecology, Analyse the model that highlights the factors which influence the ...

Analyse the model that highlights the factors which influence the environmental impact of a population

Interdependance, Give an example of how two organisms are interdependent.

Give an example of how two organisms are interdependent.

Explain about the musculoskeletal system, Explain about the Musculoskeletal...

Explain about the Musculoskeletal System? Osteopenia (decrease in bone mineral content) is observed with aging. There is an average of 30% decline in the bone mineral density f

Assessment of megaloblastic anaemia, Assessment   On observation of a c...

Assessment   On observation of a child with this type of anaemia you will find that in addition to the symptoms  of iron deficiency anaemia there is hyper-pigmentation over knu

What are the major structures within the cell nucleus, Within the cell nucl...

Within the cell nucleus the major structures are: the nucleolus, an optically dense region, spherical shaped, where there are concentrated ribosomal RNA (rRNA) associated to protei

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