Refer to the accompanying figure. Which statement about the corpus luteum is FALSE?
a. It is responsible for the second peak in the line labeled as 1.
b. It is responsible for the second peak in the line labeled as 2.
c. It is responsible for the first peak in the line labeled as 1.
d. It develops from the empty follicle following ovulation.
e. It is most active between days 18 to 26.
c
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Which statement is true about sudden cardiac arrest?
a. It happens about 20,000 times annually in the United States. b. It is usually caused by a birth defect when it happens in people aged 36 or younger. c. Its survival rate can be increased by performing a tracheotomy d. It occurs only in the elderly. e. Its survival rate increases about 10% through the use of CPR.
The MMR vaccine protects against measles, _______, and rubella.
Fill in the blank(s) with the appropriate word(s).
The Dunkers are a religious group that moved from Germany to Pennsylvania in the mid-1700s. They do not marry with members outside their own immediate community
Today, the Dunkers are genetically unique and differ in gene frequencies, at many loci, from all other populations including those in their original homeland. Which of the following likely explains the genetic uniqueness of this population? A) population bottleneck and Hardy-Weinberg equilibrium B) heterozygote advantage and stabilizing selection C) mutation and natural selection D) founder effect and genetic drift
When natural selection tends to split a population into two phenotypic groups, it is called
A) balanced polymorphism. B) stabilizing selection. C) coevolution. D) gene flow. E) genetic drift.