Exact(2)
Drastic plant lethality was observed for seeds treated with an EMS dose greater than 1% and total lethality was observed at 3% EMS.
While the heterozygous flies appear to be fully viable at all concentrations of CPT used (Fig. 3), a significant loss of viability of flies homozygous for the CG7670 e04496 allele (i.e. those with very low levels of expression of DmWRNexo) was observed even at 0.1 µ m CPT, with almost total lethality from 0.2 µ m (Fig. 3).
Similar(57)
Assuming a PEEL-1 penetrance of 26%, we would expect 79.2% of F2s to exhibit total embryonic lethality, 17.1% to show no lethality, and 3.7% to show low lethality.
Greater PEEL-1 penetrance values lead to more total embryonic lethality F2s and fewer no/low lethality F2s, which produces even stronger expected deviations from the observed F2 proportions.
Of these 5 (0.1% of total) had lethal mutations, and 3 strains, including TBPH[PxG2] (G2), failed to complement the lethality of Df 2R or-BR11.
To avoid the possibility of early lethality of total Kv10.1-deficient mice, the '3 Lox P strategy' was used to generate total and conditional knockout mice.
IY immunity, SL spontaneous lethality, TR total risk, xx target value.
Here we assume that this maternal-effect lethality is total and so fe(G, J, K) = 0 if the mother- J contains the element while the offspring- G is wild-type.
Fbxw7 total KO causes embryonic lethality; Fbxw7 −/− embryos die in utero around E10.5 11.5 with remarkable abnormalities in vascular development in the brain and yolk sac, as well as deficient heart chamber maturation.
Total LIS1 loss causes embryonic lethality, but deletion or point mutation inactivating one LIS1 allele causes lissencephaly, an autosomal-dominant disorder of neuronal migration.
We classified F2 into the four phenotypic categories: full sensitivity (100% lethality), high sensitivity (75 99% lethality), intermediate sensitivity (25 75% lethality), and low sensitivity (<25% lethality).
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