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