Chromosomal Disorder in Humans

XO chromosomal abnormality in humans causes _____.

Identify the incorrect statement about pedigree analysis.

In which of the following genetic conditions, each nucleated somatic cells in the affected person have three copies of chromosome $21$?

Due to non-disjunction of chromosomes during spermatogenesis, sperms carry both sex chromosomes (22A + XY) and some sperms do not carry any sex chromosome (22A + O). If these sperms fertilize normal eggs (22A + X), what types of genetic disorders appear among the offsprings?

Which of the following statement is/are correct for Turner’s syndrome ?

Due to non-disjunction of chromosomes during spermatogenesis, sperms carry both sex chromo-somes (22 A + XY) and some sperms do not carry any sex chromosome (22 A + O). If these sperms fertilise normal eggs (22 A + X), what type of genetic disorders appear among the offspring ?

How many chromosomes may be present in Klinefelter syndrome?

Name the chromosomal disorder which is caused by the presence of an additional copy of the chromosome number 21.

Which chromosomal disorder is caused by non-disjunction and denoted as 44+XXY?

Select the correct option which is an example of sex chromosome abnormality.

Study the following statements
I) Karyotype of Klinefelter's syndrome is$\mathrm{AA} + \mathrm{XO}$
II) Turner's syndrome is an example for trisomy
III) $\mathrm{AA}+\mathrm{XX}+{21}^{\text{st }}$ chromosome is the karyotype of Down's syndrome
IV) Individual with Klinefelter's syndrome is Barr body positive

Among the above, correct statements are

Down's syndrome is a genetic condition that causes delays in physical and intellectual development. The cause of this genetic disorder is.

Match the following

Philadelphia chromosome is associated with following disease

How many Barr bodies are present in the cells of Klinfelter Male $\left(\mathrm{KM}\right)$, Normal Male $\left(\mathrm{M}\right)$ and Normal Female $\left(\mathrm{F}\right)$ in humans

Study the following statements.
I. Aneuploidy is a chromosomal aberration where there is a gain or loss of one or more chromosomes in a set.
II. Karyotype of Klinefelter syndrome is $47, \mathrm{XXY}.$
III. Turner syndrome females have a Barr body in their somatic cells.
IV. Down syndrome is a genetic disorder due to the presence of an additional copy of the $\mathrm{X}$ chromosome to the normal number of chromosomes.

Among the above, the incorrect statements are

Study the following statements

(I) Karyotype of Klinefelter's syndrome is $\mathrm{AA} + \mathrm{XO}$

(II) Turner's syndrome is an example for trisomy

(III) $\mathrm{AA}+\mathrm{XX}+{21}^{\mathrm{st}}$ chromosome is the karyotype of Down's syndrome

(IV) Individual with Klinefelter's syndrome is Barr body positive Among the above, correct statements are

Conditions of a karyotype $2\mathrm{n}\pm 1$ and $2\mathrm{n}\pm 2$ are called

Which one of the following is sex chromosomal disorder?

XXY chromosome complement is found in