Mark the following statements as true (T) or false (F) and select the correct option :

A. Acrocentric chromosome appears J-shaped during anaphase.

B. Centromere holds two chromatids together.

C. Outer membrane of nucleus is connected with SER only.

A B C
1. T F F
2. F T T
3. T T F
4. F F T
Subtopic:  Nucleus | Nucleus: Chromosomes |
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Select the incorrect match:
 
Column I Column II
1. Lampbrush Diplotene bivalents chromosomes
2. Allosomes Sex chromosomes
3. Submetacentric L-shaped chromosomes
4. Polytene Oocytes of amphibians chromosomes

 
Subtopic:  Nucleus: Chromosomes |
NEET - 2018
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Consider the following statements:

I. The centromere is termed as the primary constriction of a chromosome
II. The secondary constrictions are always constant in their positions
III. The chromosomes having a satellite are marker chromosomes
IV. The chromosomes bend at the secondary constrictions when they are pulled at anaphase

Which of the above statements are true?

(1) I, II and III

(2) I and III

(3) II, III and IV

(4) I, II, III and IV

Subtopic:  Nucleus: Chromosomes |
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