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What do you understand by the term aneup...

What do you understand by the term aneuploidy?

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**Step-by-Step Text Solution:** 1. **Definition of Aneuploidy**: - Aneuploidy refers to the presence of an abnormal number of chromosomes in a cell. This means that the total number of chromosomes deviates from the normal diploid number for that organism. 2. **Types of Aneuploidy**: - Aneuploidy can occur due to either the addition or the loss of chromosomes. This can result in a variety of conditions depending on which chromosomes are affected. ...
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ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-PRACTICE QUESTIONS ( VERY SHORT ANSWER TYPE QUESTIONS)
  1. Mendel observed two kinds of ratios 3:1 and 1: 2:1 in F2 generations ...

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  2. How many pairs of homologous chromosomes are present in male Drosophil...

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  3. What do you understand by the term aneuploidy?

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  4. Nondisjunction may lead to a zygote containing XXY sex chromosomes, wh...

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  5. What is meant by chromosomal mutation?

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  6. What are codominant alleles? Give one example.

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  7. How many autosomes are found in a single mature human sperm?

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  8. Give the scientific name and also the common name of the plant in whic...

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  9. The map distance in a certain organism between genes A and B is 8 unit...

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  10. Name the mechanism by which new alleles appear in a population.

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  11. Which of the following diseases could be avoided by analysing the pedi...

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  12. Which of the following conditions could be detected by karyotyping the...

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  13. Which of the following disorders is a haemoglobin based genetic proble...

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  14. Under what circumstances it is possible for a father and a son to suff...

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  15. Give the meaning of the term allele.

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  16. At which particular stage of chromosomes do errors like deletion of ge...

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  17. Why is Drosophila male fly referred to as heterogametic?

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  18. The gene I that controls the ABO blood grouping in human beings has th...

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  19. In the following pedigree chart, state if the trait is autosomal domin...

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  20. Aa Bb was crossed with aa bb. What would be the phenotypic ratio of pr...

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