In the Flowering Plants (The Angiosperms),the Process of Double Fertilization

question 37

Multiple Choice

In the flowering plants (the angiosperms) ,the process of double fertilization occurs.This is where one sperm nucleus from the pollen grain fertilizes the egg,and the other fuses with the two polar nuclei in the female gametophyte to produce the triploid (3n) endosperm tissue.The aleurone layer (the outer layer of cells of the endosperm) can be colored or colorless.The allele C causes color (purple) ,and the allele c gives colorless aleurone.A plant is of genotype Cc and self-pollinates.What ratio of colored to colorless aleurone layered endosperms are expected in the progeny?

• A)1:1
• B)2:1
• C)3:1
• D)10:1

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Definitions:

40s

A reference to the decade of a century, often used to denote age, historical periods, or temperature ranges.

80s

A decade marked by significant cultural, political, and technological changes, spanning the years 1980 to 1989.

Pessary

A medical device inserted into the vagina to support its structure and help with conditions like pelvic organ prolapse.

Prolapsed Uterus

A condition where the uterus descends from its normal position into or through the vaginal canal due to weakened pelvic floor muscles.