Purple flower (A) is dominant over white flower (a), and tall stem (B) is dominant over short stem (b). The Punnett square
represents a cross between two dihybrids (AaBb ? AaBb).
In the figure above, what would be the genotype of plant #7?
a. AaBb
b. AABb
c. AaBB
d. AABB
e. aaBB
ANSWER: a
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Which of these statements concerning the centromere is NOT true?
a. It appears to join duplicated DNAs. b. It anchors proteins to DNA. c. It varies from one type of chromosome to the next. d. It is the attachment site for microtubules. e. It is a "pinched in" region.
Select the choices that are ways that the hypothalamus controls the activity of the anterior pituitary.
a. neurons of the hypothalamus b. releasing hormones of the hypothalamus c. inhibiting hormones of the hypothalamus
Where does production of sexual spores in ascomycetes occur?
a. in sporangia b. in zygospores c. in asci d. in conidiophores
Under anaerobic conditions, pyruvate can be broken down by ____
Fill in the blank(s) with the appropriate word(s).