突然

とつぜん

abrupt, sudden, unexpected, all at once

突然死

とつぜんし

sudden death

突然目

とつぜんめ

somewhat sudden

突然変異

とつぜんへんい

mutation

だけど

however

ど突く

どつく どづく

to jab, to hit, to punch

然れど

されど

be that as it may, even so, though that be so

点突然変異

てんとつぜんへんい

point mutation

突然変異説

とつぜんへんいせつ

mutationism

フレームシフト突然変異

フレームシフトとつぜんへんい

frameshift mutation

突然変異体

とつぜんへんいたい

mutant

どれだけ

how long, how much, to what extent

どんだけ

what a..... (word used to show strong emotion, emphasis, punchlines, etc.)

然れども

されども しかれども

nevertheless, even then, however, be that as it may, even so, though that it be so

然だに

さだに

were it to at least be as such

致死突然変異

ちしとつぜんへんい

lethal mutation

人為突然変異

じんいとつぜんへんい

artificial mutation

だけれども

だけども

though, much as

然然

ささ しかじか

such and such