Zygote with three copies chromosome 21, is known to cause _________?

Related Mcqs:

1. The zygote formed in liverworts is___________?

   A. Unicellular
   B. Mulicellular
   C. Multinucleate
   D. None of these

2. A chromosome with centromere near the middle is called _________ ?

   A. Metacentric
   B. Submetacentric
   C. Acrocentric
   D. Telocentric

   Submitted by: Rashid Mehmood

3. Y-chromosome is _________?

   A. Acrocentric
   B. Telocentric
   C. Submetacentric
   D. Acentric

   Submitted by: Rashid Mehmood

4. Exact replica of chromosome refers to ___________?

   A. Chromatid
   B. Centromere
   C. Kinetochore
   D. Arms

5. Under a compound microscope chromosome is made of arms and___________?

   A. Centromere
   B. Centrosome
   C. Chromatid
   D. Centromere

6. Un-separated replica of chromosome is called___________?

   A. Chromatin
   B. Kinetochore
   C. Chromatid
   D. Centromere

7. The basic structural unit of a chromosome is____________?

   A. The centromere
   B. Nuceleosome
   C. Telomere
   D. Histone

8. In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?

   A. Lysis
   B. Lysogeny
   C. Induction
   D. Adsorption

9. A normal metaphase chromosome with a midial centromere is ________?

   A. Metacentric
   B. Sub-metacentric
   C. Acrocentric
   D. Telocentric

   Submitted by: Rashid Mehmood

10. A giant chromosome with a number of chromonemeta is ________ ?

    A. Lampbrush chromosome
    B. Hetero chromosome
    C. Supernumerary chromosome
    D. Polytene chromosome

    Submitted by: Rashid Mehmood