Â· 4 years ago. A mutation is a change in the genetic material of an organism. We are made from trillions of cells, each with a nucleus composed of DNA â a set of instructions that tells the cell what to do. Cells copy themselves with astonishing accuracy, but every now and then a piece of code is copied incorrectly.
Identical (or monozygotic) twins happen when a fertilized egg splits into two separate babies-usually within the first twelve days of Mom's pregnancy. After twelve days, the egg may not split entirely and result in conjoined twins.
Rating Newest Oldest. Best Answer: Doves lay two eggs, there are many different kinds of doves: Ringneck Doves lay two eggs which hatch after 14 days. The young are then fed by the parents what is called crop milk..Crop milk is produced in the crop of the parents and the young put their beaks inside the parents throats and slurp it down.hey lay 2 eggs. They will lay the first then 2 days later they will lay the second. They only raise 2 babies at a time. Wild doves can have 2-3 clutches a year.