The X-chromosome once inactivated remains inactive throughout the life in all the cells of the body.

The X-chromosome once inactivated remains inactive throughout the life in all the cells of the body. Correct Answer False

The inactivated X chromosome remains in this altered state in all the somatic cells. However, in germ cells it is reactivated because two copies of some X linked genes are needed for the successful completion of oogenesis.
Bissoy MCQ

Related Questions

Which of the following statement(s) is/are CORRECT for antigen activated effector T cells?
P. CD4+ cells make contact with macrophages and stimulate their microbicidal activity.
Q. CD4+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
R. CD8+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
S. CD8+ cells make contact with virus infected cells and kill them.
In the question two statements are given, followed by two conclusions, I and II. Read all the conclusions and then decide which of the given conclusions logically follow/s from the given statements. Statements: All white blood cells are red blood cells. Some blood cells are red blood cells. Conclusions: I. All blood cells are red blood cells, is a possibility. II. Some red blood cells are not blood cells.
Consider the following statements and choose the correct answer:
1. All living things are composed of cells and their products
2. All cells arise from pre-existing cells
3. All cells are basically alike in chemical composition and metabolic activities
4. The function of an organism as a whole is the outcome of the activities and interactions of the constituent cells
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P: It’s a type of cancer of the blood cells caused by a rise in the number of white blood cells in the body.  Q: There is hardly anything you can do to prevent leukaemia. R: If a person appears pale, swollen gums, an enlarged liver or spleen, significant bruising, bleeding, fever, fatigue, the doctor should suspect leukaemia. S: They crowd out the red blood cells and platelets the body needs to be healthy. All those extra white blood cells don’t work right, and that causes problems.
Which of the following statements are NOT true? a) The number of cells in an elephant is more than number of cells in a monkey b) The size of cells in an elephant is larger than size of cells in a monkey c) Shape of cells in an elephant is different than shape of cells in a monkey
Consider the following statements regarding the Structure of cells: 1. Both Animal & Plant cells comprise amyloplast within the cell membrane. 2. Plant cells have plasmodesmata channels whilst animal cells do not. 3. Vacuoles in both plant cells & animal cells are always filled with solid substances. Which of the statement given above is/are not correct? 
Which of the following statements are correct regarding common differences between plant and animal cells?
1. Plant cells have cellulose cell wall, while animal cells lack it.
2. Plant cells lack plasma membrane, while animal cells have it.
3. Mature plant cell have a large vacuole, while animal cells have numerous small vacuoles.
Consider the following statements regarding ‘Embryonic Stem (ES) cells: 1. These cells are derived from eggs fertilized in a woman's body. 2. The Embryonic cells are pluripotent. 3. The cells derived from ES cells can be used to replace/restore tissues that have been damaged by disease or an injury. Which of the following statement is/ are correct?
Select the four statements about Plasmodium that are true. A)Inside an infected mosquito, haploid gametes fuse, forming a diploid zygote that develops into an oocyst B) Plasmodium cells infect two specific types of cells in humans. C) Inside an infected mosquito, haploid gametes fuse, forming a haploid zygote that develops into an oocyst. D) When a mosquito bites a human with malaria, diploid Plasmodium cells enter the mosquito. E) Plasmodium cells are transferred to humans through mosquito saliva. F) The life cycle of Plasmodium involves only haploid forms. G) The complete life cycle of Plasmodium requires two hosts.
S1: When a body grows into a young man, he finds himself in a new and strange world.
P: The relationship remains but its nature changes.
Q: The emotional ties that he had with them are now loosened.
R: The old pattern of his life in which his parents were the nucleus around which his life revolved now undergoes a change.
S: He finds in himself an emotional void which he must somehow fill.
S6: At this stage of his life he is like a body without a soul, an eye without light or a flower without fragrance.

The Proper sequence should be: