Which of the following statements correctly describes a difference between sexual and parasexual reproduction?
A. Crossing over occurs during mitosis in
parasexual reproduction and meiosis in
sexual reproduction.
B. Parasexual reproduction does not include
a heterokaryotic stage, whereas sexual
reproduction does include a heterokaryotic
stage.
C. In sexual reproduction, karyogamy
produces a diploid nucleus, whereas in
parasexual reproduction karyogamy produces
a dikaryotic nucleus.
D. The haploid chromosome number is
restored by meiosis in parasexual
reproduction and by mitosis in sexual
reproduction.
E. Parasexual reproduction does not
generate genetic diversity, whereas sexual
reproduction does generate genetic diversity.
A
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Indicate whether this statement is true or false.
What type of neuron directly stimulates a muscle or gland?
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What is the type of bond between two strands of DNA?
A. A ionic bond B. A covalent bond C. A peptide bond D. A hydrogen bond
In the experiment with peacock butterflies the working hypothesis is that ____
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