Home
Class 12
BIOLOGY
An abnormal human baby with XXX sex chro...

An abnormal human baby with `XXX` sex chromosomes was born due to

A

fusion of two ova and one sperm

B

fusion of two sperms and one ovum

C

formation of abnormal sperms in the father

D

formation of abnormal ova in the mother

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Mental retardation in man associated with sex chromosomal abnormality is due to

In humans, the sex chromosome complement is

An abnormal human male phenotype involving an extra Y-chromosome (XYY) is a case of

Write the sex of a human having XXY chromosomes with 22 pairs of autosomes. Name the disorder this human sufers from.

In human beings , monosomy of sex chromosomes causes:

Write the sex of a human having XXY chromosomes with 22 pairs of autosomes.

Mental retardation in man associated with sex chromosomal abnoramlity is usually due to inrease in :

A normal cell of human body contains 23 pairs of chromosomes. The number of chromosomes in a sex cell (sperm or ovum) of a human being is most likely to be :

Consider the following abnormalities due to changes in sex chromosome number (I) Turner's syndrome (II) Klinefelter's syndrome (III) Cri-du-chat syndrome (IV) Down's syndrome