Comprehension

Read the given paragraph and answer the question:
Humans have 23 pairs of chromosomes. 22 pairs are exactly same in both males and females; these are the autosomes. A pair of X-chromosome are present in the female, whereas the presence of an X and Y chromosome are determinant of the male characteristic.
A number of disorders in human beings have been found to be associated with the inheritance of changed or altered genes or chromosomes. Broadly, genetic disorder may be grouped into two categories-Mendelian disorders and Chromosomal disorders.

Question: 1

What is the probability of having a daughter to a couple expecting their first child?

Updated On: Apr 19, 2024
  • Nil
  • 25%
  • 50%
  • 100%
Hide Solution
collegedunia
Verified By Collegedunia

The Correct Option is C

Solution and Explanation

The correct option is (C): 50%
Was this answer helpful?
0
0
Question: 2

A disorder caused due to absence of one of the 'X' chromosome is -

Updated On: Apr 19, 2024
  • Turner's Syndrome
  • Down's Syndrome
  • Klinefelter's Syndrome
  • Thalassemia
Hide Solution
collegedunia
Verified By Collegedunia

The Correct Option is A

Solution and Explanation

The correct option is (A): Turner's Syndrome
Was this answer helpful?
0
0
Question: 3

A haemophilic man marries a normal woman. What is the possibility that their child have haemophilia?

Updated On: Apr 19, 2024
  • 75%
  • 25%
  • 0%
  • 50%
Hide Solution
collegedunia
Verified By Collegedunia

The Correct Option is C

Solution and Explanation

The correct option is (C): 0%
Was this answer helpful?
0
0
Question: 4

Which of the following is an example of a sex linked disease?

Updated On: Apr 19, 2024
  • Ascariasis
  • Colour blindness
  • Thalassemia
  • Phenylketonuria
Hide Solution
collegedunia
Verified By Collegedunia

The Correct Option is B

Solution and Explanation

The correct option is (B): Colour blindness
Was this answer helpful?
0
0
Question: 5

A colour blind man marries a carrier woman. Choose the possible progeny outcome.

Updated On: Apr 19, 2024
  • All sons are born colourblind, while 50% the daughter born will be normal.
  • All children (sons and daughters) are born colour blind.
  • All daughters are normal whereas 50% of the sons born will be colour blind.
  • 50% of daughters and 50% of sons born will be colour blind.
Hide Solution
collegedunia
Verified By Collegedunia

The Correct Option is D

Solution and Explanation

The correct option is (D): 50% of daughters and 50% of sons born will be colour blind.
Was this answer helpful?
0
0

Top Questions on Reading Comprehension

View More Questions