>
Exams
>
Science
>
Genetics
>
the number of sex chromosomes in humans is
Question:
The number of sex chromosomes in humans is
Show Hint
Humans have 2 sex chromosomes (XX in females, XY in males) and 44 autosomes.
UP Board X - 2024
UP Board X
Updated On:
Nov 5, 2025
23
2
21
20
Hide Solution
Verified By Collegedunia
The Correct Option is
B
Solution and Explanation
Humans have 46 chromosomes in total, out of which 2 are sex chromosomes (XX for females and XY for males). The remaining 44 chromosomes are autosomes.
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Genetics
If the sequence of one strand of DNA is written as follows: 5' - ATGC ATGC ATGC ATGC ATGC - 3', write down the sequence of the complementary strand in 3' → 5' direction.
UP Board XII - 2025
Biology
Genetics
View Solution
What is the number of chromosomes in a female honeybee? What is sex determination system called in them?
UP Board XII - 2025
Biology
Genetics
View Solution
Twins are born to a family that lives next door to you. The twins are a boy and a girl. Which of the following must be true?
NEET (UG) - 2025
Biology
Genetics
View Solution
With the help of the given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in the F3 generation.
NEET (UG) - 2025
Biology
Genetics
View Solution
What is the difference between dominance and recessiveness? .
UP Board XII - 2025
Biology
Genetics
View Solution
View More Questions
Questions Asked in UP Board X exam
Colour origin from
UP Board X - 2025
Light and Colour
View Solution
How many national political parties are there in India?
UP Board X - 2025
Parties and the Party Systems in India
View Solution
Prime factorisation of 156 will be:
UP Board X - 2025
Number System
View Solution
(i) Food chain
(ii) Growth hormone in human.
UP Board X - 2025
Food Chains and Energy Flow
View Solution
A lemon placed in a beaker full of water appears larger than its real size, when viewed sideways. The light phenomenon responsible is -
UP Board X - 2025
Refraction of Light
View Solution
View More Questions