>
Exams
>
Zoology
>
Principles of Inheritance and Variation
>
in humans sex is determined at the time of
Question:
In humans, sex is determined at the time of
Show Hint
Sex determination = moment of fertilization (X or Y from sperm).
AP EAPCET - 2023
AP EAPCET
Updated On:
May 12, 2025
Gametogenesis
Fertilization
Cleavage
Implantation of embryo
Hide Solution
Verified By Collegedunia
The Correct Option is
B
Solution and Explanation
Sex is determined at fertilization depending on whether the sperm contributes an X or Y chromosome to the ovum. XX results in a female, and XY in a male.
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Principles of Inheritance and Variation
A normal couple produces half the sons as haemophilic and half the daughters as carriers. Choose the option that correctly indicates the chromosome on which the gene for this trait is located.
CBSE CLASS XII - 2025
Biology
Principles of Inheritance and Variation
View Solution
Answer the following questions with respect to the sex determining mechanism observed in honey bee.
[
(a)
] Name the type of sex determination system observed in honey bee.
[
(b)
] Fill in the blanks (i), (ii) and (iii) in the given question.
[
(c)
] What will be the sex and chromosome number of the progeny formed from the unfertilised eggs of honey bee?
CBSE CLASS XII - 2025
Biology
Principles of Inheritance and Variation
View Solution
What are chromosomal disorders? Describe Turner's syndrome and Klinefelter's syndrome.
Maharashtra Class XII - 2025
Biology
Principles of Inheritance and Variation
View Solution
What are the reasons for the success of Mendel?
Maharashtra Class XII - 2025
Biology
Principles of Inheritance and Variation
View Solution
What is the genotype of Drosophila showing normal wings?
MHT CET - 2025
Biology
Principles of Inheritance and Variation
View Solution
View More Questions
Questions Asked in AP EAPCET exam
The differential equation corresponding to the family of parabolas whose axis is along $x = 1$ is
Identify the correct option from the following:
AP EAPCET - 2025
Differential Equations
View Solution
If an electron in the excited state falls to ground state, a photon of energy 5 eV is emitted, then the wavelength of the photon is nearly
AP EAPCET - 2025
Nuclear physics
View Solution
The number of ways of dividing 15 persons into 3 groups containing 3, 5 and 7 persons so that two particular persons are not included into the 5 persons group is
AP EAPCET - 2025
Binomial theorem
View Solution
The domain and range of a real valued function \( f(x) = \cos (x-3) \) are respectively.
AP EAPCET - 2025
Functions
View Solution
If the line $$ 4x - 3y + 7 = 0 $$ touches the circle $$ x^2 + y^2 - 6x + 4y - 12 = 0 $$ at $ (\alpha, \beta) $, then find $ \alpha + 2\beta $.
AP EAPCET - 2025
Circle
View Solution
View More Questions