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All are 44 pairs.
1.Humans have 23 pairs, 22 pairs of various characteristics, one of which is a pair of chromosomes called xx or xy, which is a chromosome that distinguishes the sex of an individual, while chimpanzees and australopithecus have a comparison with humans, with a clear difference of 44 pairs of chromosomes.
2.Differences: Orangutans and gorillas both belong to the group of apes, and the concept of being placed alongside apes is the general family of monkeys, while baboons are a category under the general family of monkeys.
And they can all be called monkeys. It is worth mentioning that there are also many people who believe that apes do not belong to monkeys, and if you follow this classification method, the presence or absence of a tail is the easiest way to determine it.
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Humans are 23 pairs, 22 pairs are various characteristics, one of which is called xx or xy genes for the chromosomes that distinguish individual sex, while chimpanzees and australopithecus are compared with humans, the obvious difference is 24 pairs of chromosomes, in other words, if humans and orangutans or australopithecus are combined, then their offspring should be singular gene numbers, not completely paired, that is, the offspring have no ability to reproduce, just like horses and donkeys mate, but mules do not have the ability to reproduce. The theory of biological evolution is only a theory and not the only biological theory, so many mysteries are still to be discovered.
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Humans have more chromosomes than orangutans, and the chromosomes are different in shape and size. There are also 23 pairs of fruit flies, which vary in shape and size.
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First of all, it will change. The number and structure of chromosomes are relatively stable, but chromosomal aberrations, including changes in structure and number, can occur due to errors that can occur during replication or repair. Although there is change, there is no evidence that there is a definite trend, whether more is more and more advanced, less and so on.
Humans have 23 pairs of chromosomes, gorillas and chimpanzees are 24 pairs, and during the evolution, the two short chromosomes underwent Robertsonian translocation and merged together to form the human chromosome 2. Hope it helps.
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There are 23 pairs of basic males with one y sex chromosome and two sex chromosomes for females.
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Humans and chimpanzees share a common ancestor, but we have one less pair of chromosomes, why is that?
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How many pairs of chromosomes do humans have? Everyone can blurt out 23 to 46But few people wonder why, about 5 million years ago, they parted ways with chimpanzees. However, modern chimpanzees have 24 pairs of chromosomes, a full pair more than modern humans.
In addition to chimpanzees, other great apes such as bonobos and gorillas also have 24 pairs of chromosomes. This also means that humans have lost a pair of chromosomes in the last 5 million years. So, how do we lose an entire pair of chromosomes?
If you think about it, it can be unsettling.
Because genetic mutations and chromosomal mutations often mean all kinds of terrible genetic diseases, about chromosomal abnormalities, I am most familiar with Down syndrome. Because there is an extra chromosome 21, it is also called trisomy 21. One in every 600 babies with Down syndrome is born.
The child will have a special Down face, accompanied by various physical defects and almost inevitably mental retardation. Not only chromosome number changes, but also transient genetic mutations can lead to serious consequences.
However, in addition to these individual tragedies, the most fatal for all mankind is the inability to have offspring due to chromosomal abnormalities, which will affect the top priority of human reproduction. Since it is difficult to reproduce, how do humans lose these two chromosomes? All of these questions also give conspiracy theorists a chance.
They believe that the difference in the number of chromosomes between humans and apes is an insurmountable gap in evolution that could upend the origin of species. How did the first human ancestor with 46 chromosomes survive and produce fertile offspring, they ask?
In addition, conspiracy theorists painstakingly calculate the probability of success and, on the basis of a "very small possibility", declare evolution bankrupt and introduce creationism, but if you think about this biological question, the answer is obvious. Chromosomes are made up of DNA and proteins, and proteins are just carriers of genes. In fact, what is more important is the information that chromosomes carry.
As long as there is the right amount of genetic material, how to arrange and combine this genetic material is not as important as imagined.
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After the German scientist Walser Dleming discovered the chromosome, he compared humans and orangutans, and found that there were about 24 pairs of chromosomes in the body, while there were only 23 pairs of chromosomes in humans. This doesn't make sense!
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24 pairs! Chimpanzees are genetically almost identical to humans! There is only a difference! But it is this that creates two species! Other species of orangutans are similar! It's just that the closest thing to a human being is a chimpanzee!
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Probably not. Chimpanzees and gorillas are different organisms that, despite having the same number of chromosomes, they are reproductively isolated and cannot produce offspring, and even if they do, they are infertile .
Hope the answer solves your doubts.
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Because it is possible that humans also evolved from orangutans, orangutans will have two more chromosomes than humans.
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Humans and orangutans are not the same species, so it's normal for the number of chromosomes to be different. Although humans evolved from orangutans, in the process of gradual evolution, the two have become reproductively isolated. The 2 fewer chromosomes that humans have than orangutans may have been lost during evolution.
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Because humans and orangutans have evolved in different directions, humans have evolved and optimized their chromosomes, and all humans have forty-six chromosomes, while orangutans have forty-eight.
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