Khi phân tích một tế bào thai nhi, người ta thấy có 3 nhiễm sắc thể giới tính giống nhau. Hãy cho biết
a, Giới tính của thai nhi?
b, Thai nhi mang tật di truyền nào? Tật di truyền này biểu hiện như thế nào khi thai nhi phát triển thành cơ thể trưởng thành?
Giúp mình với 😢
Supply the correct form of the words in the brackets.
1, Lan spoke English _____ after she lived in England for several months .( nature)
2, Anna takes ______ in her daughter. ( proud)
3, He is one of the most famous ______ in the world. ( environment)
4, If we go on littering, the environment will become ______ polluted. ( serious)
5, The baby laughed ______ as she was playing with her toys. ( happy)
6, _______ air can cause illness and even death. ( pollute)
7, The inhabitants have made _______ on how to protect the environment. ( suggest)
8, My mother was ______ worried when I went home late last night. ( extreme)
9, If the ______ continuea, there will be no forest left in ten year. ( forest)
10, In order to keep our environment ______, we shouldn't drop litter. ( pollute)
11, We should do something to keep the enviroment ______ . ( pollute).
12, It's _______ that Lucia passed this exam. ( surprise)
13, We have sat here for hours to enjoy the ______ of this lake. ( beautiful)
14, They are discussing the preservation of ______ resources. ( nature)
15, If the ______ continues, what will happen. ( pollute)
16, Dane had an accident last month because of driving ______ . ( care)
17 The building was ______ by fire. ( destruction)
18, They are talking about the ______ pollution. ( enviroment)
19, Mr. Brown felt ______ that people have spoiled that area. ( appoint )
20, To my _______ , they have caused a lot of fish to die. ( appoint)
Giup minh vs 😢