Which of the following doesn’t agree with XIST?(a) It codes for an mRNA that coats the inactive X chromosome into a bar body(b) It is the only gene that is active in inactive X chromosome(c) The embryo cells shows that maternal allele XIST is active over paternal(d) Inactivation is seen in somatic cellsI have been asked this question by my school teacher while I was bunking the class.My question is based upon Silencing and Genomic Imprinting in division Regulating Gene Expression in Eukaryotes of Cytogenetics

Which of the following doesn’t agree with XIST?(a) It codes for an m

1.	Which of the following doesn’t agree with XIST?(a) It codes for an mRNA that coats the inactive X chromosome into a bar body(b) It is the only gene that is active in inactive X chromosome(c) The embryo cells shows that maternal allele XIST is active over paternal(d) Inactivation is seen in somatic cellsI have been asked this question by my school teacher while I was bunking the class.My question is based upon Silencing and Genomic Imprinting in division Regulating Gene Expression in Eukaryotes of Cytogenetics
Answer» Correct ANSWER is (c) The EMBRYO cells shows that maternal ALLELE XIST is active over paternal The best I can explain: XIST allele in case of the embryo doesn’t show any imprinting. Imprinting is seen in case of the extra-embryonic cells.

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