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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.
During the reproductive cycle of a human female, when, where and how does a placenta develop? What is the function of placenta during pregnancy and embryo development?
Explain Rh factor incompatibility during pregnancy.
Which of the following hormones is not secreted by human placenta?
The concentration of which of the following substances will decrease in the maternal blood as it flows from embryo to placenta through the umbilical cord?

The human foetus within the uterus
- Oxygen
- Amino Acids
- Carbon dioxide
- Urea
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.
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
