Which pairs of people would provide the most useful information to geneticists, regarding the heritability of a certain trait?
A) non-twin siblings separated into different households soon after birth
B) monozygotic twins separated into different households soon after birth
C) non-twin siblings raised in the same household since birth
D) monozygotic twins raised in the same household since birth
B
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Cyclic AMP activity is associated with hydrophobic hormones
Indicate whether the statement is true or false.
Which result might be a consequence of stabilizing selection?
A. There is an increase in antibiotic-resistant strains of bacteria. B. Infants born with weights between 3 and 4 kg have a higher survival than infants much lighter or heavier at birth. C. There is a decrease in the number of different breeds of dog.
Assuming that the rate of sea-floor spreading was constant during the one-million-year period depicted above, on average Earth's magnetic field has undergone reversal once every _____
A) 25,000 years B) 100,000 years C) 250,000 years D) 1,000,000 years
The Calvin Cycle oxidizes the light reaction product ________ to _________.
Fill in the blank(s) with the appropriate word(s).