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Similar sex chromosomes are found in which of the following organisms?

(A) Female bird.

(B) Male Drosophila.

(C) Female human.

(D) Female grasshopper.

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Important Questions on Principles of Inheritance and Variation

EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Which of the following organisms produce sperm without involving meiosis?
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Assertion (A): In human beings, the sex of the offspring depends on the type of sperm that fertilizes the ovum
Reason (R): Human males are heterogametic
The correct option among the following is
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
In a certain taxon of insects (Example: Cockroach), some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosomes bearing organisms are _________
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
In honeybees, sex determination and development occurs through
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Haplo-diploid insects have diploid females from fertilized eggs but haploid males from unfertilized ones. Such a haploid male with red eyes is crossed with a white-eyed female. Assuming that the red-eye colour mutation is dominant over the white-eye colour, which one of the following statements is true?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
The chromosomal type of sex determination In human beings is
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Select the incorrect statement?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
How many pairs of autosomal chromosomes are present in human?
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Study the following regarding genic balance theory of sex determination in Drosophila
I. Organism with AAA XXX is fertile triploid female
II. Organism with AAA XXY is fertile triploid male
III. Organism with AAA XX is an intersex
IV. Organism with AA XXY is metafemale
Which of the above are correct?
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Amniocentesis is a diagnostic procedure to detect
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
The prenatal technique to determine the genetic disorders in a foetus is called
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Select the incorrect statement.
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
The permissible use of the technique amniocentesis is for
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Sterile female bees are
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
The development of male takes place in honeybee from
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
XO type of sex determination and XY type of sex determination are the examples of
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Number of sex chromosomes in human beings are
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
Assertion (A): Amniocentesis is used to detect the chromosomal defects if any, in the developing foetus.
Reason (R): Amniocentesis is a cytological study of the foetal cells for abnormal chromosomes.
EASY
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
From the chromosomal complements given below, identify the one which shows female heterogamety.
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Sex Determination
In the context of Amniocentesis, which of the following statement is incorrect?