Because they come from the same egg, identical twins are always the same sex according to the National Health Service. Fraternal twins are from two separate eggs, which means that they can be different sexes.Know More
Identical twins are developed from the same egg, which splits after it is fertilized. The two resulting embryos have the exact same genes. A woman is more likely to have twins if she has a history of twins in her family, although many identical twins are random.
Fraternal twins, on the other hand, are often hereditary. They are developed when two eggs are released and fertilized during the same menstrual cycle. They have no more similar characteristics than siblings, so they do not share exactly the same genes and often do not look alike.
The number of twins born across the world has increased significantly in the past several decades because of an increased use in fertility drugs.Learn more about Biology
Two people cannot have the same DNA, as even identical twins do not have identical DNA. DNA stands for deoxyribonucleic acid. It is the biological instruction that makes each species unique.Full Answer >
A group of the same organisms that live in the same area at the exact same time is referred to as a population. Population is a term used by ecologists.Full Answer >
Horses are the species Equus caballus, while donkeys are classified as Equus asinus. Since both species are of the Equus genus, they have the same basic body shape and share many physical traits, including long muzzles and pointed ears.Full Answer >
The term "population" is used to describe organisms of a single species that live together in the same area. Populations combine to form communities, and communities merge with abiotic factors to create an ecosystem.Full Answer >