[单选题]
The diagram shows a karyogram of atr.an6pnk :ue 1w a1./kew3 ig b85/w nspuc(l5 5h4za2tng eud rown male rat (Rattus norvegicus). Which arrow is pointing to a pls epw5dcua5 h8 ut/g5z2nn(4air of autosomes?
A.
B.
C.
D.
参考答案: B
本题详细解析:
Autosomes are chromosomes that are not the sex chromosomes. Choice B is correct.
Choice A is incorrect as it is pointing to one autosome, not a pair. Choice C is incorrect as it is pointing to two pairs of autosomes. Choice D is incorrect as it is pointing to the sex chromosomes.
