Question
What is inbreeding depression and how is it caused in organisms? Write any two advantages of inbreeding.

Answer

Continuous close inbreeding for several generations, reduces fertility and productivity is called inbreeding depression.Advantages- produces pure lines/eliminates inferior genes, accumulation of superior genes.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The following graph shows the species-area relationship. Answer the following question as directed.
  1. Name the naturalist who studied the kind of relationship shown in the graph. Write the observation made by him.
  2. Write the situations as discovered by the ecologists when the value of 'Z' (slope of the line) lies.
  1. 0.1 and 0.2
  2. 0.6 and 1.2
What does 'Z' stand for?
  1. When would the slope of the line 'b' become steeper?
Delhi Municipality has started the concept of keeping two dustbins of two different colours (green and blue) in many places, for waste disposal.
  1. What is the significance of this practice?
  2. Differentiate between the two types of wastes we produce. Which of them is more harmful and must be reduced significantly?
  3. What value can be learnt from this arrangement?
How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?
Differentiate between a template strand and coding strand of DNA.
How are bacteria made capable to take up recombinant DNA? Name the bacteria used for this process.
Briefly explain IVF and ET What are the conditions in which these methods are advised?
In relation to energy transfer in ecosystem, explain the statement "10kg of deer's meat is equivalent to 1kg of lion's flesh".
  1. Why is there a fear amongst the guardians that their adolescent wards may get trapped in drug/ alcohol abuse?
  2. Explain 'addiction' and 'dependence'in respect of drug/ alcohol abuse in youth.
Explain the importance of biological production obtained from animal in which foreign gene is introduced.
How cancer is detected and diagnosed?