Well,
By the word "deletion" we can deduce that information is lost. Therefore, when a chromosome undergoes a deletion mutation, information is lost. This can have disastrous effects if it is a human chromosome.
Possible gamete's genotypes in both parents are: SY, sY, Sy, sy
Genotypic ratio: SSYY 1 : SSYy 2 : SsYY 2 : SsYy 4 : SSyy 1: Ssyy 2: ssYY 1: ssYy 2: ssyy 1
Phenotypic ratio: yellow, spherical 9 : yellow, dented 3: green, spherical 3 : green, dented 1
Take a look at the attachment :)
The DNA copies are moved to opposite ends of the cell.
Answer:
Your answer is D) Graduated Cylinder.