Gíup em về Biology

[shootingstar]

• A man is telling you that he has pet opossums (2n = 22) that have babies (joeys) that aren’t identical twins, but are identical genetically. Explain in a paragraph why that would be highly unlikely to have occurred. Reference and explain independent assortment, crossing over, and random fertilization.

Please help me!

[Paddy]

• A man is telling you that he has pet opossums (2n = 22) that have babies (joeys) that aren’t identical twins, but are identical genetically. Explain in a paragraph why that would be highly unlikely to have occurred. Reference and explain independent assortment, crossing over, and random fertilization.

Please help me!

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[shootingstar]

Use independent assortment, crossing over, and random fertilization explain the paragraph " A man is telling you that he has pet opossums (2n = 22) that have babies (joeys) that aren’t identical twins, but are identical genetically.

WHY that aren’t identical twins, but are identical genetically. ??

[Paddy]

Use independent assortment, crossing over, and random fertilization explain the paragraph " A man is telling you that he has pet opossums (2n = 22) that have babies (joeys) that aren’t identical twins, but are identical genetically.

WHY that aren’t identical twins, but are identical genetically. ??

Identical twins 2 sperm share one ovum.

In this "highly unlikely" case, 2 sperms and 2 ova, but due to "DNA arrangement" both babies have identical DNA. I don't know the technical term for this "DNA arrangement". chance of 1 in couple hundred trillions ?