In the moss Polytrichum commune, the haploidchromosome number is 7. A haploid male gametefuses with a haploid female gamete to form a diploid cell that divides and develops into the multicellular sporophyte. Cells of the sporophyte thenundergo meiosis to produce haploid cells calledspores. What is the probability that an individualspore will contain a set of chromosomes all ofwhich came from the male gamete?

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
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Chapter2: Cells And Cell Division
Section: Chapter Questions
Problem 20QP: In the following diagram, designate each daughter cell as diploid (2n) or haploid (n).
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In the moss Polytrichum commune, the haploid
chromosome number is 7. A haploid male gamete
fuses with a haploid female gamete to form a diploid cell that divides and develops into the multicellular sporophyte. Cells of the sporophyte then
undergo meiosis to produce haploid cells called
spores. What is the probability that an individual
spore will contain a set of chromosomes all of
which came from the male gamete?

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