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How identical twins are form?
A fertilized egg splits in two- Apex
What happens when twins are formed from one embryo?
When twins are formed from one embryo, it is known as monozygotic twinning. This occurs when a single fertilized egg splits into two embryos. As a result, the twins will share the same genetic material, leading to identical or monozygotic twins.
What happens during Meiosis you?
During meiosis, a type of cell division that produces gametes (sperm and egg), DNA is replicated once, followed by two rounds of cell division. The process results in four daughter cells with half the number of chromosomes as the parent cell, leading to genetic diversity through recombination and independent assortment of chromosomes.
Why do identical twins have the same genotype?
Identical twins have the same genotype because they have the exact same genes. Identical twins are formed when one fertilized egg (zygote) splits in two and each of the now two zygotes each develop into different beings. Identical twins are therefore referred to as monozyygotic twins and they have the same DNA.
Are conjoined twins mono-zygotic or di-zygotic?
Conjoined twins are monozygotic, meaning they develop from a single fertilized egg that splits incompletely during early development.
If an egg isn't fertillized. what happens to the egg?
it is lost in menstruation
How does fertillized egg develop?
in the uterus
If an egg isn't fertillized what happen to the egg and to the lining of the uterus?
It breaks down/ Is removed through the vagina.
How long does it take for an egg to get fertillized after release?
Depends on whether you're having sex or not.
Why do animals that fertilize eggs externally produce millions of eggs?
It gives them a better chance or increases the odds of having atleast one egg fertillized.
Why Twens boarn in some cases?
egg splits
How long can a chicken egg last without its mother?
Under ideal conditions, Dark, damp and cool, a fertilized egg can still be viable for up to 7 days. Eggs left in a nest with no broody hen to set on them should be thrown away after day 8. They will not be suitable for hatch or for eating.
What happens when a embryo splits?
A twin is on the way
Identical twins happen when 2 egg cells are fertillised?
no. one egg is fertilized and it splits up later on.
Where does the fertillized egg normally implant itself and start to grow?
The egg is fertilized in the fallopian tube in the woman's body.The eggs come there and the sperm fuse there with them.There are two tubes.
Where does a fertillized egg attach?
The fertilized egg will attach itself to the inner lining of the uterus, the endometrium, in most cases. In some instances, it may implant itself into the Fallopian tube, which results in an ectopic pregnancy that can be fatal to the mother and fetus.
What happens after the DNA splits?
Random bases attach.
