The male gametophyte of a pine tree

(a) is produced within a pollen grain.
(b) produces sperm.
(c) is diploid.
(d) is both a and b.


(d) is both a and b.

Biology & Microbiology

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What will be an ideal response?

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Incomplete dominance is a condition in plants and people where __________.

A. offspring have an appearance in between the phenotypes of the two parents B. most heritable diseases arise C. a single gene impacts more than one characteristic D. multiple alleles are responsible for an inheritance pattern

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The importance of gene networks rather than gene number resolves which evolutionary genomics issue?

a. C-value paradox b. conflict between genome size and organismal complexity c. conflict between genome size and cell size d. None of the above e. All of the above

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Trichomonas vaginalis is a protozoan that feeds on white blood cells and bacteria living on the cells lining the female human vagina, thereby creating a common sexually transmitted disease often known as "trich

" The feeding mechanism of this protozoan makes it a ________. A) parasite B) autotroph C) producer D) mixotroph

Biology & Microbiology