Advertisements
Advertisements
प्रश्न
What is hybrid sterility?
Advertisements
उत्तर
Hybrids develop to maturity but become sterile due to failure of proper gametogenesis (meiosis). This is called hybrid sterility. e.g. Mule is an inter-generic hybrid that is sterile.
APPEARS IN
संबंधित प्रश्न
Very short answer question.
If variation occurs in a population by chance alone and not by natural selection and brings a change in frequencies of an allele. What is it called?
Match the following:
| Column- I | Column- II |
| 1. August Weismann | a. Mutation theory |
| 2. Hugo de vries | b. Germplasm theory |
| 3. Charl Darwin | c. Theory of acquired characters |
| 4. Lamark | d. Theory of natural selection |
Explain Geographical Isolation
Write down the three main concepts of the modern synthetic theory.
______ changes the genes rearrangement (order or sequence) resulting in variation.
Loss of gene from chromosome occurs due to ______
Black colored form became dominant over the light colored form in England during industrial revolution after 1845. This can be owed to ______.
Reasons for diversity in a living being is:
Define the Transformation.
Which of the following is a pre-mating mechanism of isolation?
