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Concept 13.1 Quiz

Frage 1 von 5

2

Asexual reproduction _____.

Wähle eine der folgenden:

  • is limited to plants

  • requires both meiosis and mitosis

  • leads to a loss of genetic material

  • produces offspring genetically identical to the parent

  • is limited to single-cell organisms

Erklärung

Frage 2 von 5

2

If a horticulturist breeding gardenias succeeds in having a single plant with a particularly desirable set of traits, which of the following would be her most probable and efficient route to establishing a line of such plants?

Wähle eine der folgenden:

  • Clone the plant.

  • Backtrack through her previous experiments to obtain another plant with the same traits.

  • Force the plant to self-pollinate to obtain an identical one.

  • Breed this plant with another plant with much weaker traits.

Erklärung

Frage 3 von 5

2

Which of the following defines a genome?

Wähle eine der folgenden:

  • the complete set of a species' polypeptides

  • the complete set of an organism's genes and other DNA sequences

  • a karyotype

  • the complete set of an organism's polypeptides

Erklärung

Frage 4 von 5

2

Asexual reproduction occurs during _____.

Wähle eine der folgenden:

  • chromosome exchange between organisms of different species

  • meiosis

  • fertilization

  • mitosis

Erklärung

Frage 5 von 5

2

Quaking aspen can send out underground stems for asexual reproduction. Sexual reproduction is not as common, but when it does happen, the haploid gametes have 19 chromosomes. How many chromosomes are in the cells of the underground stems?

Wähle eine der folgenden:

  • 9

  • 19

  • 10

  • 38

Erklärung

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