A normal cell of human body contains 23 pairs of chromosomes- The number of chromosomes nbsp- in a sex cell -sperm or ovum- of a human being is most likely to be -a- 46-b- 23-c- 21-d- 42

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Biology

Chromatin

A normal cell...

Question

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 :
(a) 46
(b) 23
(c) 21
(d) 42

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Solution

(b) 23
The number of chromosomes present in a sex cell of a human being would normally be 23.

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Q. 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 :
(a) 46
(b) 23
(c) 21
(d) 42

Number of chromosome in human sperm or ovum is 23.

The normal body cell of an organism contains 28 pairs of chromosomes. The number of chromosomes present in its germ cell will be :
(a) 28
(b) 14
(c) 56
(d) 42

Q. A normal sperm in humans possess
(i) an X chromosome
(ii) a Y chromosome
(iii) 23 chromosomes

(a) If a normal human cell has 46 chromosomes , how many chromosomes will be there in a human

(i) sperm cell,

(ii) zygote ?

(b) What sizes of plants are produced if both parents have genes Tt?

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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 : (a) 46 (b) 23 (c) 21 (d) 42

(b) 23 The number of chromosomes present in a sex cell of a human being would normally be 23.

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 :
(a) 46
(b) 23
(c) 21
(d) 42

(b) 23
The number of chromosomes present in a sex cell of a human being would normally be 23.