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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.
पर्याय
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.
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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.
Which of the following hormones is not secreted by human placenta?
Which extra-embryonic membrane in humans prevents desiccation of the embryo inside the uterus?
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.


Subject 2 has a higher level of hormone B, which is ______
Which of the following is not a function of the placenta?
Explain the phases in embryonic development from the morula stage till the establishment of pregnancy in a human female.
During embryogenesis in dicots, the zygote divides into a basal cell and a terminal cell. The basal cell divides repeatedly to produce a structure called suspensor. Carefully observe the image given below and describe the function of cell – A and cell – B of the suspensor.

Zygote
The diagram given below shows the early embryonic stages of fish, reptiles, birds and humans. Though adult reptiles, birds and mammals breathe air, their embryos possess gills. How does this fact support evolution?

