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Egg is a female ova (female gamete) which once fertilized becomes a fertilized egg.Each fertilized egg has an external protective membrane( hard shell in oviparous). Often two female gametes get fertilized and have a common protective membrane (hard shell in oviparous).This is why sometimes(rarely) an egg has two yolks inside.
What else can I help you with?
Is it possible for twins to be joined together if so how?
You mean like Siamese twins? Yes it is possible but only with identical twins I think because they come from the same egg thing and the egg thing splits on two and if they haven't split in two entirely by the time the babies are born they are joined together =(
What is the name for twins that aren't actually twins?
identical twins are single egg twins. fraternal twins a two egg twins. fraternal
Can silki eggs have twins?
I'm sure it may be possible to have twins at the time of feritilzation, but it is highly unlikely that two fetuses would survive in the same egg.
Can penguins have twins?
Birds do not have live young, they lay eggs. It is possible to get a double yoked egg, but I don't know whether they are viable or not.
How are twins identical?
Twins are identical because they come from the same egg.
Why can twins from one egg exchange blood and organs but twins from two eggs cannot?
if they are in one egg, the process can go on inside the egg. but if they are in two, it cant pass from egg to egg. basically it can only happen inside the egg.
Is it possible for you to miss your period if your twin is pregnant?
Depends on how close you are. Twins from the same egg is usually closer and experiment same symptoms is not uncommon.
When a fertilized egg divides?
you get twins :)
How is it possible for twins to have different fathers?
It is possible for twins to have different fathers if the mother releases multiple eggs during ovulation and has intercourse with two different men within a short timeframe. Each egg can be fertilized by a different man's sperm, resulting in twins with different biological fathers. This phenomenon is known as heteropaternal superfecundation.
What are unidentical twins called?
How do fraternal twins form? Answer one egg from each ovary is fertilized.
Is it possible to get twins even if your relatives never had twins?
Yes, it is very possible.
How many egg cells are used with twins?
It depends on the type of twins If It was identical (monozygotic) twins, one egg is fertilized (As you can see, identical twins have similarity in phenotype (the observable characteristic of an organism) because of development of one zygote divided into two embryos) but if it was non-identical twins, two eggs or more (such as triplets or quadruplets) are fertilized. The twins have differences in phenotype
