Normally, fertilization occurs in the ________, and implantation occurs in the ________
A) vagina; uterus
B) uterus; ovary
C) oviduct (fallopian tube); uterus
D) ovary; oviduct (fallopian tube)
C
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HIV has 9 genes in its RNA genome. Every HIV particle contains two RNA molecules, each molecule containing all 9 genes. If, for some reason, the two RNA molecules within a single HIV particle do not have identical sequences, then which of these terms can be applied due to the existence of the non-identical regions?
A) homozygous B) gene variability C) nucleotide variability D) average heterozygosity E) all except A
The greatest threat to the Florida manatees is
a. loss of habitat. b. human predation. c. being mauled or killed by boats. d. stranding in thermal plumes of power plants. e. disease from urban runoff.
One of the lines of evidence supporting the theory that modern humans originated in Africa is that the modern-day human population of Africa contains the greatest diversity of genetic variants of any human population
Why is this consistent with the idea that humans first evolved in Africa?
Speculate as to why the success rate of treatment is much higher for testicular and prostate cancers than for ovarian cancer
What will be an ideal response?