A gene that specifies the fate of a particular anatomical segment in Drosophila is called a(n) ________
A) silent gene B) MADS genes C) determinant genes D) selector gene
Answer: D
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A plate of solid growth medium with colonies on it is pressed gently onto sterile velveteen. The
velveteen "stamp" is used to make identical plates. This technique is called:
a. replication. b. replica plating. c. plating. d. plate making. e. horizontal gene transfer
By examining a karyotype, it is possible to determine
A) which of two related plant forms is a gametophyte, and which is a sporophyte. B) the sex of an animal. C) the age of a fungus. D) A and B only E) A, B, and C
Which of the following is the most useful in representing population growth on a graph?
a. logarithmic reproduction of the growth curve b. a semi-logarithmic graph using a log scale on the y-axis c. an arithmetic graph of the lag phase followed by a logarithmic section for the log, stationary, and death phase d. none of the above would best represent a population growth curve
The main difference between the life cycle of mosses versus flowering plants is
A. flowering plants undergo the alternation of generations and mosses do not. B. in moss the dominant life cycle stage is the gametophyte, whereas in flowering plants the dominant life cycle stage is the sporophyte. C. mosses only have one multicellular life cycle stage, whereas flowering plants have two. D. moss sporophytes are photosynthetic and flowering plant sporophytes are not.