Number of sex chromosomes is normal in

Match list I with List $II$ and select the correct answer using code given below

List $I$ $(syndrome)$

$(1)$ Patau’s syndrome

$(2)$ Kline-Felter’s syndrome

$(3)$ Down’s syndrome

$(4)$ Turner’s syndrome

List $II$ $(Chromosomal\, abnormality)$

$(A)$ $44 + XXY = 47$

$(B)$ $44 + X = 45$

$(C)$ $46 + 1 = 47$, Chromosome $13^{th}$

$(D)$ $46 + 1 = 47$, Chromosome $21^{st}$ Code

The monosomic condition in human beings depicted as $XO$ is referred to as

In man, which of the following genotypes and phenotypes may be the correct result of aneuploidy in sex chromosomes?

Choose correct answer.

$(i)$ Sickle - cell anaemia is controlled by three pairs of allele.

$(ii)$ Trisomy is chromosomal disorder.

$(iii)$ $47$ chromosome present in person whose having Turner's syndrome.

Define aneuploidy. How is it different from polyploidy ? Describe the individualsm having the following chromosomal abnormalities.

$(a)$ Trisomy of $21^{st}$ chromosome

$(b)$ $XXY$

$(c)$ $XO$