Download App

Heredity and Evolution — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceHeredity and Evolution1 Mark
MCQ
A zygote which has inherited an $X$ chromosome from the father will develop into :
  • A
    Baby boy.
  • ✓
    Baby girl.
  • C
    Adult.
  • D
    Either boy or girl.
✓

Answer

Correct option: B.
Baby girl.
A zygote which has inherited an $X$ chromosome from the father will develop into a baby girl. The combination $XX$ of sex chromosomes tends to develop into females.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q" from Heredity and Evolution→Heredity and Evolution — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

A wire of resistance $R_1$ is cut into five equal pieces. These five pieces of wire are then connected in parallel. If the resultant resistance of this combination be $R_2​​​​​​​$​​​​​​​, then the ratio $\frac{\text{R}_1}{\text{R}_2}$ is:
→
The endocrine gland whose malfunctioning causes diabetes disease is :
→
The following results were obtained by a scientist who crossed the $F_1$ generation of pure-breeding parents for round and wrinkled seeds.
Dominant trait Recessive trait No. of $F_2$ offspring
Round seeds Wrinkled seeds $7524$
From these results, it can be concluded that the actual number of round seeds he obtained was:
→
Which of the following may be used to obtain an $F _2$ generation?
→
Select the eco-friendly activity among the following:
→
A person cannot see the distant objects clearly (though he can see the nearby objects clearly). He is suffering from the defect of vision called:
→
Which of the following uses solar cells?
→
Methane gas released from waste water treatment plants can be used as a source of fuel. Which chemical equation represents combustion of methane to produce heat energy?
→
If the area of cross $-$ section of a resistance wire is halved, then its resistance becomes :
→
A convex lens $A$ of focal length $20\ cm$ and a concave lens $B$ of focal length $5\ cm$ are kept along the same axis with a distance d between them. If a parallel beam of light falling on $A$ leaves $B$ as a parallel beam, then the distance $d$ in $\ cm$ will be :
→