Amino acid replacement: I620T.
Nucleotide substitution: T?C.
T11585234C
T?C
I620T | nod-PA; I620T | nod-PB
I620T
abnormal meiotic cell cycle | female
viable
Homozygous females show 4.7% X chromosome nondisjunction and 82.3% 4th chromosome nondisjunction.