Inglise keel unit 5 answers
(ii) discontinuous; [do not allow if no reason given] 1
reason
one, gene/locus; A major/Mendelian, gene
discrete phenotypes/ora;
qualitative/large effect/little environmental effect; max 1
[6]
36. (i) endonuclease;
cuts DNA;
with sticky or blunt ends;
at, palindromic/AW/specific/4 to 6 base pair/restriction, site;
from bacteria;
for cutting ‘phage DNA; max 3
(ii) 2 sources DNA;
ref. sticky ends;
complementary binding;
H-bonds between bases;
A to T and C to G;
nicks in sugar-phosphate backbone sealed/AW;
annaabi.ee 
