An animal whose body cavity is completely lined with mesoderm has a pseudocoelom
Indicate whether the statement is true or false
FALSE
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Red-green color blindness is an X-linked recessive
trait in humans. What is the probability that a colorblind woman and a man with normal vision will have a color-blind daughter? a. 100% b. 75% c. 50% d. 25% e. 0%
Of the 170,000 new cases of lung cancer diagnosed in the United States each year, greater than 90% of these patients are current smokers or former smokers
Indicate whether the statement is true or false
Choose the true statement about genome size and gene number in animals.
A. Genome size differences depend to a large extent on the amount of retrotransposon DNA present. B. The pufferfish has a larger genome than humans and more genes. C. There is a strong correlation between the number of genes and genome size. D. Much of the extra DNA in humans is in the form of exons.
A pair of sex chromosomes found in a human male is most like
A) a pair of blue jeans. B) a bride and groom. C) a knife, fork, and spoon. D) identical twins.