Gene flow occurs through generations. Gene flow can occur across language barriers in humans. If we have a technique of measuring specific allele frequencies in different population of the world, can we not predict human migratory patterns in pre-history and history? Do you agree or disagree? Provide explanation to your answer.

What would happen when one grows a recombinant bacterium in a bioreactor but forget to add antibiotic to the medium in which the recombinant is growing?

What is Mycorrhiza?

With the help of suitable diagram describe the logistic population growth curve.

What is an algal bloom?

Gene expression can be controlled with the help of RNA. Explain the method with an example.

Q: Differentiate between gametogenesis from embryogenesis.

Q: What is bagging technique? How is it useful in a plant breeding programme?

Q: What is sewage? In which way can sewage be harmful to us?

An individual and a population has certain characteristics. Name these attributes with definitions.

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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 12: The harmful allele of sickle cell anemia has not been eliminated from human population. Such af....

The harmful allele of sickle cell anemia | Class 12 Biology Chapter Human Health and Disease, Human Health and Disease NCERT Solutions

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