MCQ
Why did Morgan work with the fruit flies ?
- ASuitable for study
- BGrown on simple synthetic medium
- CComplete their life cycle in about two weeks
- ✓All of the above
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$I.$ In the centre of each I-band is an elastic fibre ($Z-$line) which bisects it
$II.$ Thin filament are firmly attached to the $Z-$line
$III.\;M-$line is a fibrous membrane in the middle of $A-$band
$IV.$ A sarcomere comprises one full$-A $ band and two half $I-$bands
$R$ -Due to colostrum immunity is decrease in child.