Question

Which of the following organisms is supposed to have the maximum number of chromosomes?

• A. Drosophila
• B. Mouse
• C. Whale
• D. Adder's tongue fern

Answer 1

The correct option is D Adder's tongue fern

Ophioglossum, which is known as adder’s-tongue and is under the family of Ophioglossum, found variedly in tropical and subtropical distribution. The name “adder’s tongue” is quite significant due to the spore bearing stalk resembles like that of snake’s tongue. The chromosome is one of the threadlike packages of genes and other DNA in the nucleus of cells. The numbers of chromosomes vary with different kind of chromosomes. As you know already that Humans has 23 pairs of chromosomes, i.e. 46 in total (normally) with 44 autosomes and two sex chromosomes. Comparing with Ophioglossum, which has 100s of chromosomes. Ophioglossum reticulatum, for example, is estimated to have from 240 to 510 chromosomes in the haploid state, or up to 1020 chromosomes in the diploid state.

So the correct option is 'adder's tongue fern'.