The structure labelled 5 is the
sweat gland
sebaceous gland
blood vessel
nerve fibre
Correct answer is A
No explanation has been provided for this answer.
When two heterozygotes mate, the dominant trait will appear in
the F1 generation only
the F2 generation only
both the F1 and F2 generations
neither the F1 nor F2 generation
Correct answer is C
No explanation has been provided for this answer.
The structure labelled 5 is used for
protein synthesis
energy production
secretion
excretion
Correct answer is C
No explanation has been provided for this answer.
32
16
8
4
Correct answer is C
A gamete is a haploid sex cell of an organism which is reproduced sexually. They contain half the number of chromosomes in an organism.
no of chromosomes = 16, hence, no of chromosomes in the gamete = \(\frac{1}{2}\) of 16 = 8
F1 flies all short-winged and F2 flies all normal-winged
F1 flies all normal and F2 flies all short-winged
F1 flies all short-winged and three-quarters of F2 flies are short-winged
F1 flies all normal-winged and three-quarters of F2 flies are normal-winged
Correct answer is D
No explanation has been provided for this answer.
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