11-13 Some of the portions of the chromatin are permanently condensed so that th

Question

11-13

Some of the portions of the chromatin are permanently condensed so that their DNA is expressed. All of these portions stain very intensely and are given a common name of A) DNA dark bands. B) euchromatin. C) heterochromatin. D) genome. E) haploid DNA. In the human, the body cells (non-sex cells) contain two sets of chromosomes for a total number of A) 2. B) 22. C) 44. D) 46. E) 23. A pair of chromosomes with the same length and shape, and that carry genes controlling are called A) chromatids. B) homologous chromosomes. C) sister chromosomes. D) daughter chromosomes. E) genes.

Explanation / Answer

11. heterochromatin is the part of the chromosome which permanently under repressed conditions

12. There are total 46 chromosomes in all the human cells out of which 44 are autosome and 2 are sex chromosome.

So the option is D 46

13. Homologous chromosome. are the pair of a chromosome which carries the pair of alleles

answer is B

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