Can different organisms have the same number of chromosomes?

Can other organisms have the same number of chromosomes?

All organisms do not have the same number of chromosomes. For example, human cells have 46 chromosomes, each whereas dogs have 39 chromosomes in each…

Would two organisms with the same number of chromosomes be closely related?

Closely related species tend to have a similar number of chromosomes. For example, chimpanzees, our closest cousins, have 48 chromosomes in each of their cells.

Do all organisms have the same number of cells?

Obviously not, all organisms do not have same number of cells. Unicellular organism has one cell, while the multicellular organisms have many cells. The number of cells in plants and animals species also differ.

Do all organisms have the same number of genes?

All living things evolved from a common ancestor. Therefore, humans, animals and other organisms share many of the same genes, and the molecules made from them function in similar ways. For example, the human and mouse genomes are about 85 percent the same.

Why do dogs have more chromosomes than humans?

Humans have between 20,000 and 25,000 genes split across 23 chromosomes while dogs have around but the same number spread across 39 chromosomes. … This makes sense, because humans and dogs share so many similar body parts that carry out the same basic biological functions.

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What determines the number of chromosomes in an organism?

For instance, the number of chromosomes is based on how the organism happens to divide up its DNA. … A related note is that the size of the genome (the number of base pairs) doesn’t correlate with complexity either.

What if a person has 47 chromosomes?

Humans have 23 pairs of chromosomes. A trisomy is a chromosomal condition characterised by an additional chromosome. A person with a trisomy has 47 chromosomes instead of 46. Down syndrome, Edward syndrome and Patau syndrome are the most common forms of trisomy.