Checker board (punnet''s square) method, Biology

Assignment Help:

CHECKER BOARD (PUNNET'S SQUARE) METHOD

1.         If the genotypes of the parents are known, the genotypes of their offspring can be easily predicted with the help of a chart called Punnett square.

2.         It is named by an English geneticist Reginald Crundall Punnett (1875-1967) who first used this method in 1927.

3.         Its advantage lies in minimising the errors which can creep in when listing all possible combinations of gametes.

4.         Each box of the square represents an individual offspring.

5.         First the alleles in the gametes produced by the parents are determined.

6.         Now the boxes are filled in by combining the alleles of male and female gametes, working horizontally or vertically in each row.

7.         The allele combinations in the boxes show the possible genotypes of the F1 generation. The ratios of the genotypes can then be worked out.


Related Discussions:- Checker board (punnet''s square) method

Egg drop syndrome-76 (eds-76), E g g drop syndrome-76 (EDS-76) An out...

E g g drop syndrome-76 (EDS-76) An outbreak of sudden drop in egg production or a failure to achieve a normal peak in production despite optimum managemental and nutrition st

Explain about the pulmonary and respiratory system, Explain about the Pulmo...

Explain about the Pulmonary and Respiratory System? With aging the chest wall becomes stiffer and less compliant and the muscular force of the diaphragm is reduced causing less

Explain natural history of mitral stenosis, Q. Explain Natural History of M...

Q. Explain Natural History of Mitral Stenosis ? Untreated, mitral stenosis is a serious disease with observed 10-year mortality of 70-80 per cent in sy

Agama lizard, excretory system in agama lizard

excretory system in agama lizard

Define about the physical fitness, Define about the Physical Fitness? P...

Define about the Physical Fitness? Physical fitness is a general term we come across quite often and use it to describe an individual if he or she is able to carry out a variet

Introduction of environment, BASICS OF ENVIRONMENT We live in two world...

BASICS OF ENVIRONMENT We live in two world one is natural world of animals, plants, air, water and soil that was present since the evolution of earth. The other world is of soc

Define the concepts of lipids, Define the Concepts of Lipids? You have ...

Define the Concepts of Lipids? You have studied the classification of lipids in your theory lesson. Lipids, you learnt, are classified as simple, compound or derived lipids on

What is bone remodeling, Bone Remodeling Bone remodeling differs from t...

Bone Remodeling Bone remodeling differs from the other means of bone structure alteration in that osteoblasts and Osteoclasts do not act independently but are coupled and bone

Accuracy of stress echocardiography, Q. Define Accuracy of Stress Echocardi...

Q. Define Accuracy of Stress Echocardiography? The accuracy of stress echo tests for the detection of coronary artery disease is expressed as the sensitivity and specificity of

Define about the paper electrophoresis, Define about the Paper electrophore...

Define about the Paper electrophoresis? In paper electrophoresis the sample is applied to a point on a strip of filter paper or cellulose acetate moistened with buffer solution

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