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Question
A female plant with ploidy 6n is artificially hybridized with a male plant with ploidy 4n. Upon successful reproduction, in the seeds produced, the ploidy of endosperm and embryo will be ______ and ______.
A female plant with ploidy 6n is artificially hybridized with a male plant with ploidy 4n. Upon successful reproduction, in the seeds produced, the ploidy of endosperm and embryo will be ______ and ______.
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Solution
The correct option is C 8n and 5n
It is given that the female plant has 6n ploidy. Hence, the female gamete will have 3n number of chromosomes. Similarly, the male plant has 4n ploidy. Hence, the number of chromosomes will be 2n in the male gamete. Upon fertilization, the embryo will have 3n + 2n = 5n ploidy and endosperm will have 3n + 3n + 2n = 8n ploidy. Thus, the correct answer is '8n and 5n.'
It is given that the female plant has 6n ploidy. Hence, the female gamete will have 3n number of chromosomes. Similarly, the male plant has 4n ploidy. Hence, the number of chromosomes will be 2n in the male gamete. Upon fertilization, the embryo will have 3n + 2n = 5n ploidy and endosperm will have 3n + 3n + 2n = 8n ploidy.
Thus, the correct answer is '8n and 5n.'
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