1.   Bacteria can conjugate sexually and exchange genetic material through a connecting tube that forms between two cells.

2.   For instance, the basic genetic material is similar.

3.   I am bound to the unknown and neglected Stuart-Murrays by spiralling tapeworms of genetic material.

4.   In the intermediate zone between a population boom and a population bust, this superfluous genetic material is pruned out.

5.   No Novel genetic material will be introduced into the environment.

6.   The genetic material has to divide exactly.

7.   The work was conducted on genetic material retrieved from embryos, not on embryos themselves.

8.   This so-called parasitic genetic material turns out to serve a useful evolutionary function.

9.   Variations occur within a population, explicable as genetic mutations or the results of mixing of genetic material.

10.   Scientists find valuable genetic material in unlikely places.

a. + material >>共 922
nuclear 4.99%
radioactive 4.13%
building 4.10%
new 3.77%
hazardous 3.53%
genetic 2.61%
bomb-making 1.24%
explosive 1.07%
reading 1.07%
educational 1.05%
genetic + n. >>共 576
material 7.88%
test 4.66%
information 4.23%
mutation 3.34%
defect 3.01%
research 2.98%
disease 2.83%
disorder 2.12%
makeup 1.96%
analysis 1.66%
每页显示:    共 307