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The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.This number, along with the visual appearance of the chromosome, is known as the karyotype, [1] [2] [3] and can be found by looking at the chromosomes through a microscope.
Similarly to gorillas and chimpanzees, orangutans have 48 diploid chromosomes, in contrast to humans, which have 46. [ 25 ] : 30 According to molecular evidence , within apes (superfamily Hominoidea), the gibbons diverged during the early Miocene between 24.1 and 19.7 million years ago (mya), and the orangutans diverged from the African great ...
The Sumatran orangutan (Pongo abelii) is one of the three species of orangutans. Critically endangered, ... Number of chromosomes: 24 pairs: Year of completion: 2011:
Orangutans belong to the Hominidae family, also called the great apes. They are highly intelligent and share around 96.4% of our DNA. ... At least 2,000 of this number live in Batang Ai National ...
The results of the chimpanzee genome project suggest that when ancestral chromosomes 2A and 2B fused to produce human chromosome 2, no genes were lost from the fused ends of 2A and 2B. At the site of fusion, there are approximately 150,000 base pairs of sequence not found in chimpanzee chromosomes 2A and 2B.
The human genome has been sequenced, as well as the chimpanzee genome. Humans have 23 pairs of chromosomes, while chimpanzees, gorillas and orangutans have 24. Human chromosome 2 is a fusion of two chromosomes 2a and 2b that remained separate in the other primates. [9]
Gibbon arm skeleton (left) compared to average human male arm bone structure (right): Scapula (red), humerus (orange), ulna (yellow), and radius (blue) are shown in both structures. One unique [ citation needed ] aspect of a gibbon's anatomy is the wrist, which functions something like a ball-and-socket joint , allowing for biaxial movement.
Euploidy and aneuploidy describe having a number of chromosomes that is an exact multiple of the number of chromosomes in a normal gamete; and having any other number, respectively. For example, a person with Turner syndrome may be missing one sex chromosome (X or Y), resulting in a (45,X) karyotype instead of the usual (46,XX) or (46,XY).