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What are the gender statistics for identical twins?
Identical twins are always the same gender, either both male or both female. This is because they come from a single fertilized egg that splits into two embryos.
Who is responsible for sex determination in humans the male or female?
When twins are the result of two eggs being fertilized at the same time (non identical twins) there is some evidence to show that there is a genetic basis for this kind of twins. However, it is only their mother that has any effect on the chances of having non identical twins; there is no known mechanism for a father to cause the release of more than one ovum When twins are the result of the zygote splitting into two embryos (identical twins) then this is considered a random act nobody is responsible.
What is a paternal twin?
There is no such thing as paternal or maternal twins. the only type of twins there are is FRAternal, and Identical. Identical twins are the result of one sperm fertilizing one egg and that fertilized embryo splitting apart and forming two fetuses, therefore the children are born identical, and thus must be of the same sex. Fraternal twins are the result of two eggs being fertilized at the same time by two different sperm, and the children will be born different from the other. As a result, they can be male/male, female/female, and female/male. also there is a very slim chance that fraternal twins can have two different fathers, as it can take up to two weeks after having sex for a sperm to fertilize an egg. so if a female has sex with multiple partners, there is a very small chance that the two twins could be from two fathers.
What are MZ and DZ Twin Pairs?
MZ twins are identical twins that share 100% of the same DNA. DZ twins share only 50% of their DNA (fraternal twins). MZ twins are always the same gender, whereas DZ twins can be the same gender or one male and one female. DZM would be the male pairing of DZ twins, DZF is the female pairing, and DZO is when there is a male and a female.
What are Cleopatras twins names and were they male or female?
Cleo's twins were named Cleopatra Selene and Alexander Helios. there was one of each --- a male and a female.
Why are identical twins always the same gender?
fraternal twins have two different chromosomes
Are twins that can only be two girls or two boys identical?
No. In order for them to be identical they needed to start off as the same cell and divide so at first their DNA is identical meaning they have the same sex. During development slight changes may occur but the sex always stays the same. Boy-girl twins are always two different cells meaning that they are not identical. The term for boy-girl twins is furturnal. You can however have boy-boy twins and girl-girl twins that are not identical and they are also called furternal. So basically, identical twins start off as one cell that divides and furternal are two individual cells. There is polar body twinning, that's when the egg splits before fertilization, and that can cause a male and a female. This is called semi identical twins or half twins. They share 75% of their genetic markers.
How many different types of babies can you have?
boy, girl and simese twins Siamese twins are now properly called conjoined twins. You can have identical twins[ same sex] , fraternal twins [ one male , one female ]. triplets, same way, quadruplets, quintuplists , sextuplets and so on , with fertility drugs.
Who determines the occurrence of twins: the male or female?
The occurrence of twins is determined by the female, specifically by her genetics and ovulation process.
How do you say twins in Portuguese?
Twins in Portuguese is "gêmeos" for male twins or mixed-gender twins, and "gêmeas" for female twins.
Are all conjoined twins same sex?
No, not all conjoined twins are the same sex. While most conjoined twins are identical and share the same sex due to their identical genetic makeup, there are rare cases where conjoined twins can be fraternal, resulting in one twin being male and the other female. The occurrence of conjoined twins is quite rare, and the sex combination can vary depending on the type of twinning that occurs.
Who is responsible of increasing crime male or female?
male
