The blood clotting disease, hemophilia, occurs much more frequently in males because it is caused by a recessive gene carried on the sex chromosomes. As such, it would be referred to as:
a. a heterozygous trait
b. a homozygous trait
c. a sex-linked trait
d. a codominant trait
c
Psychology
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The degree of relationship between two or more variables is __________
a) a correlation b) validity c) reliability d) a hypothesis
Psychology
In the brain, myelination ____
a. deactivates neurotransmitters that have not been used b. reabsorbs neurotransmitters once the axon has released them. c. increases the efficiency of signal transmission d. helps relay messages across the synapse
Psychology