【简答题】有丝分裂与减数分裂 (Mitosis/Meiosis)
【单选题】Which of the following is unique to mitosis and not a part of meiosis?
A.
homologous chromosomes pair forming bivalents
B.
homologous chromosomes cross over
C.
chromatids are separated during anaphase
D.
homologous chromosomes behave independently
【简答题】古琴琴面之上有用于琴弦音位标志的( )个徽点。
【单选题】which of the following s occurs during mitosis but not meiosis?
A.
segregation of sister chromatids
B.
pairing of homologous chromosomes
C.
alignment of chromosomes on the metaphase plate
D.
crossing-over between homologous chromosomes
【单选题】Mitosis results in ( ) chromosome number while meiosis results in ( ) chromosome number.
A.
a doubling of; no change in
B.
no change in; on change in
C.
a reductionq by half in; no change in
D.
no change in; a reduction by half in
【判断题】古琴面板上嵌有十三个 螺钿 或 玉石 制作的徽,用以标记音位。
【单选题】古琴面板上一共镶嵌有多少个琴徽( ),其中最大的是哪一个?( )
【单选题】古琴琴面上有 个用以标记音高位置的琴徽。