An aligned pair of homologous chromosomes is called a

A. chromatid.
B. spindle.
C. tetrad.
D. coenocyte.
E. gamete.


Answer: C

Biology & Microbiology

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Is there a difference in genetic material between sister chromatids? Explain

What will be an ideal response?

Biology & Microbiology

Plant pathology grew in importance as a field of study after it was shown that the Irish potato blight was caused by

A. bacteria. B. viruses. C. fungi. D. amoeboid protozoa. E. water molds.

Biology & Microbiology

Which of the following is most likely to decrease genetic variation?

A) directional selection B) mutation C) stabilizing selection D) diversifying selection

Biology & Microbiology

The practice of breeding plants and animals for desirable traits, such as high crop yield, is called natural selection

Indicate whether the statement is true or false

Biology & Microbiology