Question

The males of grasshoppers and bugs possess two sets of autosomes and:
A. Only Y-chromosome
B. Only X-chromosome
C. X and Y-chromosome
D. Neither X nor Y-chromosome

Answer 1

Hint: The process of determining the sexual traits that have formed in any organism is known as sex determination. Male and female are the two different sexes that are present. Any one of these two sex organs is often found in a sexually reproducing creature. Some species, known as hermaphrodites, may contain both types of sex organs.

Complete Step by Step Answer:
Males and females typically have diverse sexual morphologies because their sex-determining alleles or genes are different. Animals' chromosomal differences are used to determine their gender. The four most frequent pairings are XX-XY, ZX-ZZ, ZZ-ZO, and XX-XO.
It is discovered that grasshopper's sex determination is of the XX-XO kind. In this kind, males and females both have one copy of the sex chromosome, which is represented by XO in males and two copies in females apart from the autosomes. The O here indicates that there is no second sex chromosome. A female offspring is created when a female X chromosome unites with a male X chromosome. Additionally, a male with chromosomes XO is created when a female's X chromosome merges with a male's no chromosome. The effectiveness of this approach depends on how many genes are expressed between the two chromosomes.

Hence, the correct option is B. Only X-chromosome

Note: Humans exhibit the XX-XY system, in which males have XY chromosomes and females have XX chromosomes.
In moths and butterflies, the ZW-ZZ system is shown, where males are homogametic and have ZZ chromosomes while females are heterogametic and have ZW chromosomes.
In some months, the ZZ-ZO system is visible, with males having two Z chromosomes (ZZ) and females having just one Z (ZO).