Y-linked traits are ____
a. known as homozygous traits
b. known to skip generations in males
c. carried only by males and transmitted only to males
d. carried only by females, but are never expressed
e. passed on to only 50% of female progeny
c
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Y-linked traits are:
A. never inherited by females. B. never transmitted by females. C. transmitted only by carrier females. D. transmitted by affected fathers only to their sons. E. never inherited or transmitted by females, and are transmitted by affected fathers only to their sons.
Movement of a molecule against a concentration gradient occurs in:
a. simple diffusion b. facilitated diffusion c. osmosis d. active transport e. passive transport
Which of the following fermentations causes mammalian skeletal muscles to fatigue?
a. Anaerobic cellular fermentation b. Alcohol fermentation c. Lactic acid fermentation d. Malolactic fermentation
________ animals have been genetically engineered so that a specific gene is disrupted and rendered nonfunctional
A) Knockout B) Transgenic C) Polyploid D) Selectively bred E) Cloned