A case of more than one gene influencing one phenotypic characteristic is called 

A. pleiotropy.
B. polygenic inheritance.
C. X-linked.
D. monohybrid.


B. polygenic inheritance.

Biology & Microbiology

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The part of a flower that is sticky to collect pollen is the

a. carpel. b. sepal. c. stigma. d. style.

Biology & Microbiology

List, in order of appearance, all the cell types expected to be formed during (a) spermatogenesis and (b) oogenesis

What will be an ideal response?

Biology & Microbiology

Which is NOT a structure seen in compact bone?

A. cylindrical structural units called osteons (Haversian systems) B. central canals containing blood vessels and nerves C. bony bars and plates with irregular spaces between them D. thin extensions of bone cells within canaliculi E. osteocytes located within lacunae

Biology & Microbiology

The function of regulatory transcription factors is modulated.

a. true b. false

Biology & Microbiology