Biology · Variation and Genetics
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Which of the following has 40 chromosomes?
- A
Corn.
- B
Frog.
- C
Sugarcane.
- D
Mouse.
Corn has 20 chromosomes, frog has 26 chromosomes, Sugarcane has 80 chromosomes and mouse has 40 chromosomes
a) Corn: Corn, also known as maize, typically has a diploid (2n) chromosome number of 20. Therefore, it does not have 40 chromosomes.
b) Frog: Frogs generally have a variable number of chromosomes depending on the species. While some frogs might have a chromosome number close to 40, it is not a definitive characteristic for all frog species.
c) Sugarcane: Sugarcane usually has a relatively high chromosome number, often ranging from 80 to 140 or even more. It does not have 40 chromosomes.
d) Mouse: This is the correct option. A typical house mouse (Mus musculus) has a diploid chromosome number of 40, meaning it has 40 chromosomes (20 pairs).
Tagged under Biology · Variation and Genetics · 2008