Twins | Fraternal and Identical Twins | Monozygotic vs Dizygotic twins

Twins occur when two fetuses share the same uterus during a pregnancy. Two basic types of twinning can occur (monozygotic (MZ) and dizygotic (DZ)) depending on the number of eggs (zygotes) that are fertilized during pregnancy.
MZ twins, sometimes known as identical twins, are the result of a single egg that is fertilized during conception that then splits into separate embryos. MZ twins, therefore, are 100% genetically the same because they result from a single fertilized egg. This causes them to look very similar and to be the same sex. After they split, these separate embryos develop into two fetuses that share the uterus during pregnancy.
MZ twins may share the same amnion (the inner fetal membrane that contains the amniotic fluid) and placenta. Dizygotic twins, sometimes called fraternal twins, develop when two eggs are released at about the same time and both become fertilized. These eggs then develop into two separate fetuses. Because DZ twins are a result of two different eggs, they are as genetically similar as siblings and they share on average 50% of their genes. Opposite sex twins can occur in fraternal pairs because different sperm fertilize the two eggs, and sex is determined by whether the sperm carries an X or a Y chromosome. Thus, DZ twins do not necessarily look alike and may have differing features as well as similar ones.
#ProcessOfTwinsFormation

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Sir aapne fertilisation infundibulum me kara di ampulla me hoti hai

[@SmilingOasis-mp5gz]

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[@MaryamSiddiqa-d3k]

اسلام علیکم
سر میں اپکے ڈیلی لیکچر دیکھتی ہوں اپ بہت اچھا پڑھاتے پیں ماشااللہ
لیکن سر میرے سلیبس کے مطابق کبھی کوئی بھی لیکچر ترتیب اور تصیل کے ساتھ نہیں ملا
پلیز سر اپ LHV pakistan کے سلیبس کے مطابق اردو زبان میں پڑھائیں ۔
شکریہ سر

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[@diwakarkukadkar9592]

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Sir Overy two sides men hoti heen to kya Dizygotic men ak side si two cell release hoti heen ya dono sides si alg alg ak cell release hota

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Zarori nai he ..kbhi kbar ak hi side se dono hojaty he or kbhi dono ovaries se ak ak ata he oocyte

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