0
What else can I help you with?
Why does identical twins not have the same weight and Skin colour?
Eye colour is caused by genetics whereas the weight of a person depends on how they life their life (how healthily they eat or how much exercise they do) so it is an environmental variation. Identical twins have the same genes so have the same eye colour.
Do conjoined twins have the same sex?
Yes. Conjoined twins are always identical (monozygotic) twins, and identical twins are always the same sex.There is a theoretical case where identical twins could be opposite genders, when the babies are female but in one of the females, a branch of one X chromosome breaks away; however, I don't believe this has ever been observed.
Which gender is homozygous?
Homozygous means "the same egg." That refers to identical twins. Identical twins are always the same gender since they have the same chromosomes.
How many pairs of identical twins are in The world?
Estimating the exact number of pairs of identical twins in the world is challenging due to varying birth rates and reporting practices across countries. However, studies suggest that approximately 3 to 4 pairs of identical twins are born for every 1,000 births globally. Given the world's population and average birth rates, this could translate to millions of pairs of identical twins existing today. The prevalence of identical twins can also vary by region and population genetics.
Are identical twins always the same size at adulthood?
no, sometimes one is taller
Do identical twins always share a placenta?
No, identical twins do not always share a placenta. In some cases, identical twins may have separate placentas.
Why does identical twins not have the same weight and Skin colour?
Eye colour is caused by genetics whereas the weight of a person depends on how they life their life (how healthily they eat or how much exercise they do) so it is an environmental variation. Identical twins have the same genes so have the same eye colour.
Do conjoined twins have the same sex?
Yes. Conjoined twins are always identical (monozygotic) twins, and identical twins are always the same sex.There is a theoretical case where identical twins could be opposite genders, when the babies are female but in one of the females, a branch of one X chromosome breaks away; however, I don't believe this has ever been observed.
What are fraternal twins?
Fraternal twins are two siblings that have the same birth day, but do not look identical.
Do identical twins share the same placenta during pregnancy?
Identical twins can share the same placenta during pregnancy, but it is not always the case. In some instances, identical twins may have separate placentas.
What are the chances of identical twins having twins themselves?
Women who are themselves fraternal twins have a 10% chance of producing twins, identical twin women have only a 0.6% probability of having a twin birth.
Do Fraternal Twins have similar minds like identical twins do?
Twins don't always think alike, whether they be identical, fraternal, or even simese. It depends on there personalities, not their looks.
Which gender is homozygous?
Homozygous means "the same egg." That refers to identical twins. Identical twins are always the same gender since they have the same chromosomes.
Why Can fraternal twins be different gender but identical twins are always the same gender?
fraternal twins have two different chromosomes
What is The scientific name for identical twins.?
Identical twins (monozygotic) occur when a single egg, fertilized by a single sperm, splits into two identical halves. Two separate babies with identical DNA are formed. Identical twins are always the same sex and blood type. http://www.twin-pregnancy-and-beyond.com/identical-twins-or-fraternal-twins.html
Why can fraternal twins different genders but identical are always the same gender?
fraternal twins have two different chromosomes
Do identical twins always have the same father?
fraternal twins can have separate fathers.
