There are 2n = 18 chromosomes in papaya.

The plant Carica papaya, a member of the 22 recognised species in the Carica genus of the family Caricaceae, is often called the papaya, papaw, or pawpaw. It was initially cultivated in Mesoamerica, or present-day southern Mexico and Central America. India supplied 43% of the papayas consumed worldwide in 2020.

Read Also:

• List of Organisms with Chromosome numbers
• 23 Chromosomes and Their Functions
• Homologous Chromosome – Structure and Functions
• MCQs on Chromosomes

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