单项选择题
The R locus determines flower color in a new plant spec...
单项选择题The R locus determines flower color in a new plant species. Plants that are genotype RR have red flowers, and plants that are rr have white flowers. However, Rr plants have pink flowers. What type of inheritance does this demonstrate for flower color in these plants? A、complete dominance B、incomplete dominance C、codominance D、complementation E、lethal alleles
隧道支护包括围岩自身、初期支护、超前支护及二次衬砌等,除了围岩外,其他支护都是为了提高围岩强度,防止围岩掉块、...
判断题隧道支护包括围岩自身、初期支护、超前支护及二次衬砌等,除了围岩外,其他支护都是为了提高围岩强度,防止围岩掉块、风化,或减少围岩松弛,提高围岩结构安全度。 正确 错误
内幕信息的构成要素不包括( )。A.来源可靠的信息B.非正常渠道的信息C.重要的信息D.非公开的信息
单项选择题内幕信息的构成要素不包括( )。