When an albino female plant of maizeis crossed with normal green male plant, all plants in the progeny are albino because
Plastids are inherited through maternal plants
Albinism is dominant over green character
The crossing results in structural changes in green plastids
Green plastids of male parents become mutated
The mule is a
Linkage was first observed in
$9 : 3 : 3 : 1$ ratio is modified to $9 : 7$ ratio due to
Normally $DNA$ molecule has $A-T, G-C$ pairing. However, these bases can exist in alternative valency status, owing to rearrangements called
What is the unit of crossing over