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प्रश्न
What is criss-cross inheritance?
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उत्तर
The inheritance of characters from the father to his grandson through his daughter is called crisscross inheritance.
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संबंधित प्रश्न
Define Linkage.
A cross between a normal couple resulted in a son who was haemophilic and a normal daughter. In course of time, when the daughter was married to a normal man, to their surprise, the grandson was also haemophilic.
- Represent this cross in the form of a pedigree chart. Give the genotypes of the daughter and her husband.
- Write the conclusion you draw of the inheritance pattern of this disease.
What is crossing over?
Give an example of complete linkage.
Which of the following statement/s are INCORRECT with respect to crossing over?
i. Crossing over produces recombinations of genes by interchanging and exchanging corresponding segments between nonsister chromatids of homologous chromosomes.
ii. Crossing over occurs during zygotene of prophase I of meiosis.
All the linked genes in a particular chromosome, constitute a ____________.
All genes located on the same chromosome ______.
Genes located very close to one another on same chromosome tend to be transmitted together and are called as ______.
The percent crossing over is high when ______.
T. H. Morgan used ______ for his experiments in linkage.
