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प्रश्न
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage.
Reason: Cells in the embryonic stage are mortal, differentiated and easy to manipulate.
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage in gene therapy for ADA deficiency.
Reason: Cells in the embryonic stage are immortal, differentiated and easy to manipulate.
विकल्प
Both A and R are true and R is the correct explanation of A.
Both A and R are true and R is not the correct explanation of A.
A is true but R is false.
A is False but R is true.
उत्तर
A is true but R is false.
Explanation:
A is true, but R is false. R can be corrected as embryonic cells are immortal, undifferentiated, and easy to control. Embryonic cells are pluripotent, meaning they can develop into any somatic cell type.
संबंधित प्रश्न
Comment on the role of placenta as an endocrine gland.
Explain Rh factor incompatibility during pregnancy.
Relaxin is the hormone secreted by the placenta.
The secondary sexual characters develop in females because:
Several hormones like HCG, HPL estrogen, and progesterone are produced by ______.
Placenta is
Explain the phases in embryonic development from the morula stage till the establishment of pregnancy in a human female.
Name the type of antibody that can be transferred through the placenta.
Match the columns I and II with reference to weeks of pregnancy and the development of a human embryo. Select the correct option from the choices given below:
| Column I | Column II | ||
| I. | 8 weeks | (P) | Limbs and external genital organs |
| II. | 12 weeks | (Q) | Limbs and digits develop. |
| III. | 20 weeks | (R) | Body hair develops. |
| IV. | 24 weeks | (S) | Eyelids separate. |
The diagram given below represents a specific stage of human embryonic development. Identify the stage.
