In humans, assume red hair is recessive to dark hair. What are the chances of a dark-haired couple having a red-haired child if each had a red-haired parent?
a) 25%
b) 0%
c) 50%
d) 75%
e) 100%
Ans: a) 25%
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The letter "A" in the accompanying figure represents the ____
a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle
Which of the following statements is false?
a. Whales use their jaws to hear. b. Whales lack a pair of middle ears. c. Killer whales use echolocation and have ears that are sensitive to high-frequency sounds. d. Humpback whales emit very low-pitched sounds that travel long distances underwater. e. Sound waves are transmitted through a layer of fat before being transduced in whales.
Draw and label a long bone, giving the function of each part. What will be an ideal response?
Streptococcus pyogenes commonly causes streptococcal toxic shock syndrome in otherwise healthy people
Indicate whether the statement is true or false