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.
Answer: B
You might also like to view...
Modification enzymes typically methylate specific bases within the recognition sequence to prevent digestion of the nucleotide sequence by restriction endonucleases
Indicate whether the statement is true or false.
Which of the following is a characteristic of a population at Hardy-Weinberg equilibrium?
A) The population is subject to natural selection. B) The population is not evolving. C) Genetic drift is occurring. D) Gene flow in and out of the population occurs.
Once a virus establishes lysogeny, it may not switch to the lytic cycle at some later time.
Answer the following statement true (T) or false (F)
The human spine acts like a weight-bearing column. Compare this to the spine of a horse, which acts like an elastic suspension bridge. Which organism would you predict to experience more back pain and why?
A) the horse, because its spine is less evolutionarily advanced B) the horse, because its spine supports more organ systems than a human's spine supports C) the human, because in order to walk upright, the human spine must be compressed D) the human, because the human spine has longer neurons