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The males of grasshoppers and bugs posse...

The males of grasshoppers and bugs posses two sets of autosomes and :

A

Only y-chromosome

B

Only X-chromosome

C

X-and Y-chromosomes

D

Neither X-nor Y-chromosome

Text Solution

Verified by Experts

The correct Answer is:
B
The sex determining mechansim in grasshopper and bug is XX female and XO male.
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In male grass hopper and moths there are two pairs of autosomes and :-

Identify and write the correct statement: (a) In Grasshopper males two sex chromosomes are X and Y types (b) In Grasshopper males there exist XO type of sex-determinants.

Knowledge Check

  • In the male human being, sperms contain one set of autosomes and:

    A
    only one Y-chromosomes
    B
    only one X-chromosomes
    C
    both X and Y chromosomes
    D
    either X and Y-chromosomes

  • The theory where ratio between the number of X_ chromosomes and number of complete sets of autosomes will determine the sex is known as

    A
    Chromosome theory of sex determination
    B
    Genic balance theory of sex determination
    C
    Hormonal balance theory of sex determination
    D
    Environmental sex determination theory

  • If the ratio between X- chromosomes and compete set of autosome is 0.5. Then, the individual will be

    A
    Female
    B
    Super female
    C
    Male
    D
    Super male

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