All atoms tend to fill their outer energy levels with the maximum number of electrons, usually eight. Depending on whether atoms satisfy the octet rule will predict
A. their radioactive energy.
B. the chemical behavior of the atoms.
C. whether they will be found in nature.
D. whether they will dissolve in water.
Answer: B
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Exchange of genetic material among different species is called
A. homolgous gene exchange. B. horizontal gene transfer. C. exon shuffling. D. genetic recombination. E. exon shuffling and or genetic recombination.
You are a genetic counselor, and a couple comes to you with concerns that if they have a child together, he or she
could have hemophilia. The woman has an X-linked recessive form of hemophilia, but the man does not. How should you advise them?
a. Half of their children will have hemophilia.. b. All of their sons and half of their daughters will have hemophilia. c. None of their children will have hemophilia, but all of their daughters will be carriers for hemophilia. d. Each of their sons will have a 50% chance of having hemophilia, and each of their daughters will have a 50% chance of being carriers. e. All of their sons will have hemophilia, and all of their daughters will be carriers.
Which muscle is responsible for bending the leg at the knee and turning the foot downward?
a. Gastrocnemius b. Deltoid c. Biceps femoris d. Achilles tendon e. Latissimus dorsi
The cross represented by a+b+c+/abc × abc/abc is
A) a two-point testcross. B) a three-point testcross. C) a parental cross. D) a haploid cross. E) None of these