A child is born with an extra chromosome in each of it cells, the reason is___________________?

Related Mcqs:

1. In primary trisomic the extra chromosome is__________________?

   A. Isochromosome B. Traits located chromosome C. Normal chromosome D. None of the above...

2. If a haploid chromosome number of a gymnosperm is 12 the chromosome in its endosperm will be__________________?

   A. 6 B. 12 C. 24 D. 36...

3. Cells intercommunicates with neighbouring cells by_________________?

   A. Plasmedesmata B. Plasmalema C. Trachieds D. Nessels...

4. An individual lacking only one chromosome from the diploid set is referred as_________________?

   A. Nullisomic B. Monosomic C. Trisomic D. Tetrasomic...

5. All organism or cell having a chromosome number that is not an exact multiple of the monoploid or basic number is known as___________________?

   A. Allopolyploid B. Autopolyploid C. Aneuploid D. Euploid...

6. The smallest unit of recombination in the chromosome is called___________________?

   A. Gene B. Chromosome C. Citron D. Recon...

7. The chromosome number of human race is__________________?

   A. 48 B. 41 C. 44 D. 46...

8. A species or type of a plant derived from doubling the chromosome of the F1 hybrid of two known species is known as__________________?

   A. Autodiploid B. Hexaploid C. Autopolyploid D. Amphidiploid...

9. A rearrangement of a group of genes in a chromosome in such a way that their order in the chromosomes is reversed is known as _____________________?

   A. Inversion B. Conversion C. Recessive gene D. Realignment...

10. Name chromosome was coined by ___________________?

    A. Van Beneden B. T. Boveri C. Walleye D. Aluman...