According to Mendel, what kinds of genes

"disappear" in F1 pea plants?
a. sex-linked
b. dominant
c. recessive
d. codominant
e. lethal


C

Biology & Microbiology

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In plants, peroxisomes associated with nitrogen fixation in legumes can be found in great abundance in

A) leaves. B) stems. C) phloem and xylem. D) cotyledons. E) root nodules.

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Which type of fossil is considered a trace fossil?

a. footprint b. shell c. seeds d. teeth e. spores

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All of the microtubules are the same length, and homologous chromosomes are aligned midway between the spindle poles at ____.

A. telophase I B. metaphase I C. anaphase I D. metaphase II E. anaphase II

Biology & Microbiology

Which environmental factor has a direct effect on an organism's rate of water loss by evaporation?

A) insect biodiversity B) wind C) plant pollination rates D) algae abundance

Biology & Microbiology