These twins are the same sex and share the same genes. Sometimes called paternal twins, identical twins provide evidence of a high degree of genetic influence on human development. Identical twins ...
Callitrichids (marmosets and tamarins) also show paternal or sibling care of offspring (single infants to triplets). In owl monkeys, the mother usually provides either dorsal or ventral support ...
These twins are the same sex and share the same genes. Sometimes called paternal twins, identical twins provide evidence of a high degree of genetic influence on human development. Identical twins ...