Genetics Made Easy
Study Heredity Here and
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You can learn all the Genetics you need here.Below you can choose which subject you want to study: basic concepts, Mendel's laws, non-mendelian inheritance, linkage and crossing over, sex-linked inheritance, blood types, karyotype and hereditary diseases, the Hardy-Weinberg principle or DNA manipulation. You will enjoy studying Biology here. If you want to review other Biology divisions, just explore the site through the navbar on the left. We have more than 1800 original questions to help your exam preparation. Thank you for choosing Biology Questions and Answers as your best online tool to learn Biology!
Table of Contents
1. Basic Concepts Review
What is a gene? What are alleles? What are phenotype and genotype? What are heterozygosity and homozygosity? Answers here.
2. Mendel's Laws Review
Gregor Mendel described laws of inheritance many years before the discovery of the DNA. Know the laws and the genius behind them.
3. Non-mendelian Inheritance Review
Epistasis, codominance, incomplete dominance, lethal genes, pleiotropy, multiple alleles, polygenic inheritance are all non-mendelian inheritances.
4. Linkage and Crossing Over Review
What is linkage? Why is crossing over so important for the biological diversity on Earth? Know the answers here.
5. Sex Chromosomes and Sex-linked Inheritance Review
The X chromosome and the Y chromosome are the sex chromosomes of the XY system. Learn here about sex-linked diseases too.
6. Blood Types Review
What is your blood type? A, B, AB, O? Are you Rh+ or Rh-? Study the blood types, including the ABO, Rh and MN systems here.
7. Review of Karyotype and Hereditary Diseases
44+XX or 44+XY. What is your karyotype? Study karyotype and hereditary diseases with these review made of questions and answers.
8. Review of the Hardy-Weinberg Principle
It is easy to understand the Hardy-Weinberg principle. Learn also gene expressivity, gene penetrance and genetic drift.
9. Genetic Engineering Review
Easy explanation of recombinant DNA technology, cloning, polymerase chain reaction, DNA fingerprint and more.
Genetics review done? Go to Biology Questions and Answers home page and choose other division to study
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