Read the following statements and select the correct option.
A. A daughter receives X-chromosomes from her mother only.
B. Human beings possess 22 pairs of autosomes and 1 pair of sex chromosomes.
C. An embryo is made up of a single cell.
D. A new human individual develops from a cell called gamete.
E. Pituitary gland produces thyroid-stimulating hormone (TSH), which stimulates the thyroid to produce the thyroxine.
F. A zygote is formed as a result of fertilization.

Statements A, C and D are false, while statements B, E and F are true

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Statements A and C are false, while statements B, D, E and F are false

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Statements C and D are false, while statements A, B, E and F are true.

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Statements C and E are false, while statements A, B, D and F are true.

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Solution

The correct option is A Statements A, C and D are false, while statements B, E and F are true
A, C, D are false, while B, E and F are true. Statement A is false because the daughter gets one X-chromosome from the father and one from the mother. Statement C is false as an embryo is formed by the fusion of the egg and the sperm. Statement D is false as a new human individual develops from the zygote after the fertilisation of the egg by the sperm.

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Similar questions

Indicate whether the following statements are True (T) or False (F).

(a) Oviparous animals give birth to young ones. ( )

(b) Each sperm is a single cell. ( )

(d) A new human individual develops from a cell called gamete. ( )

(e) Egg laid after fertilization is made up of a single cell. ( )

(f) Amoeba reproduces by budding. ( )

(g) Fertilization is necessary even in asexual reproduction. ( )

(h) Binary fission is a method of asexual reproduction. ( )

(i) A zygote is formed as a result of fertilization. ( )

(j) An embryo is made up of a single cell. ( )

Thyroxine, a hormone produced in the thyroid gland in humans, contains:

State whether the following statements are true or false :

(a) Each sperm is a single cell.

(b) A new human individual develops from a cell called gamete.

(d) A zygote is formed as a result of fertilisation.

(e) External fertilisation takes place in frog.

(f) An embryo is made up of a single cell.

(g) Oviparous animals give birth to young ones.

(h) Oviparous animals give birth to young ones.

(i) The hens give birth to chicks like human beings give birth to babies.

(j) Amoeba reproduces by budding.

(k) Binary fission is a method of asexual reproduction.

(l) Fertilisation is necessary even in asexual reproduction.

(m) Cloning is a sexual reproduction method in mammals.

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