In organisms with the ZZ-ZW sex-determining system, from which of the following possibilities can a female inherit her Z chromosome? Yes No Her mother’s mother ____________ ____________ Her mother’s father ____________ ____________ Her father’s mother ____________ ____________ Her father’s father ____________ ____________

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Q: 8 9 10 11 12 13 14 15 16 17 18 ir 19 20 21 22 (8) Fig. 6-3, p.123 N CITE

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A:

Q: Duplication Inversion Deletion

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A: The above image belongs to the ferns. It is the prothallus of the fern developed from spores.

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Q: 3 5 富 10 11 12 13 14 15 16 17 18 19 20 x Y 21 22

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.