Orphan families are families of genes that:
A: Lack homologs in other species.
B: Have no known function.
C: Have no phenotypic change after gene inactivation.
D: Have not yet been studied.
A: Lack homologs in other species.
B: Have no known function.
C: Have no phenotypic change after gene inactivation.
D: Have not yet been studied.
B
举一反三
- _______ of the families have children.
- ______ have an average of three children. A: Pattern Ⅰ families B: Pattern Ⅱ families C: Pattern Ⅲ families D: None of all
- The war parted many men _______their families. Until now these families have been unable to get reunited.
- “____ each other for a long time?” “Yes, since we were at school.” A: Have you known B: Do you known C: Have you been knowing
- By the end of last term we ___ English for two years. A: have studied B: have been studied C: would studied D: had studied
内容
- 0
Families like __________ Rockefellers have become synonymous with wealth.
- 1
Deposits that have been recorded on the book, but have not yet been recorded by the bank are:
- 2
24. Rooms for the night in local families have been popular in _______for many years. A: Asia B: Europe C: America D: Africa
- 3
I felt as if we ______ each other for years. A: had known B: knew C: have known D: would have known
- 4
The other way to say you have studied in a school is that you have ____ it. (attendance)