The Cavendish banana, the world’s most popular fruit, is currently threatened by extinction due to a fungus. This bananavariety is “triploid” (3n, with three sets of chromosomes) andcan only reproduce through cloning by cultivators. Givenwhat you know about meiosis, explain how the banana’s triploid number accounts for its inability to form normal gametes.Considering genetic diversity, discuss how the absence ofsexual reproduction might make this domesticated speciesvulnerable to infectious agents.
Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
The Cavendish banana, the world’s most popular fruit, is currently threatened by extinction due to a
variety is “triploid” (3n, with three sets of chromosomes) and
can only reproduce through cloning by cultivators. Given
what you know about meiosis, explain how the banana’s triploid number accounts for its inability to form normal gametes.
Considering genetic diversity, discuss how the absence of
sexual reproduction might make this domesticated species
vulnerable to infectious agents.
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