皮皮学，免费搜题
登录
搜题
【简答题】
随着生物科学技术科学的发展，克隆猪已经诞生．下面是科学家克隆猪的过程示意图，请分析后回答： （1）将胚胎植入猪C的______里，几个月后，猪C分娩产下克隆猪D．若A为雄猪，B为雌猪，则猪D的性别为______． （2）猪的耳型有垂耳和立耳之分，现有两只垂耳的猪交配，后代中出现立耳的小猪，由此推断，在猪的耳型这对相对性状中______是显性性状．若用T、t表示控制耳型的显、隐性基因，则立耳小猪的基因组成为______． （3）甲型H1N1流感是由甲型流感病毒引起的人和猪共患的一种急性呼吸道传染性疾病，该病毒与猪A体细胞结构的区别是______．对于发现的甲型流感感染者或疑似病例要严格隔离治疗，这属于预防传染病措施中的______． （4）从生物分类角度，猪与羊、马、虎都同属的一个分类单位是______． （5）在自然状态下，猪的生殖发育方式是______．
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】How determined one is to achieve one’s dream is clearly a sign that can be used to __________ success.
【简答题】如何使用Visual Studi 2017的在线帮助功能?
【简答题】Warning that digital piracy threatens the movie industry at the peak of its prosperity,us film studios and theater owners on Wednesday announced an ad campaign intended to convince would-be pirates th...
【简答题】How determined one is to achieve ones dream is clearly a sign that can be used to _____ success. 一个人实现梦想的决心有多大,这显然是一个标志,可以用来预测成功。
【单选题】9How determined one is to achieve one’s dream is clearly a sign that can be used to __________ success.
A.
tutor
B.
challenge
C.
hook
D.
predict
【简答题】Spanish explorers called them Las Encantadas, the Enchanted Isles, and Charles Darwin used his studies of the islands as the foundation for his theory of natural selection. The Galapagos are among the...
【简答题】在网页中,用来产生一个空行的标签是 。
【单选题】How determined one is to achieve one’s dream is clearly a sign that can be used to ___success.
A.
Predict
B.
hook
C.
pursuit
D.
tutor
【单选题】Which of the following statements is NOT an argument against Bowlby's theory?
A.
Many studies show that day care has a positive effect on children's development.
B.
Parents find the immediate effects of early day care difficult to deal with.
C.
Separation from parents for very young children is common in some traditional societies.
D.
Day care is safe, otherwise there wouldn't be so many nursery schools.
相关题目：