What organism has an odd number of chromosomes?

Answer 1

The fern plant Ophioglossum reticulatum (netted adder's-tongue) has 630 or 631 pairs of chromosomes. Ophioglossum plants have more chromosomes than any other known living organism.

Answer 2

Humans have 23 pairs of chromosomes, totaling 46 chromosomes. This means that humans have an even number of chromosomes. However, most species have an odd number of chromosomes, such as some species of insects where the number of chromosomes can vary widely.

Answer 3

The mule, which is usually sterile, has 63 chromosomes, the result of a male donkey with a female horse. The donkey having 62 chromosomes, and the horse 64. The hinny, a domestic equine hybrid, much like that of a mule, only with a male horse and female donkey. However the hinny is difficult to reproduce.

There's the female swamp wallaby, which has 11 chromosomes, and is fertile. The male swamp wallaby however, only has 10 chromosomes.

Answer 4

Drosophila (Fruit Fly)