Question

Describe the phenomenon of duplicate genes with cumulative effect with suitable examples. How does this type of gene interaction modify the expected Mendelian ratio, and what phenotypic ratio is observed in the F generation of such crosses?

29 Jan 2026
Answer :
Word Count : 256
Duplicate genes with cumulative effect refer to a type of gene interaction in which two or more non-allelic genes perform similar functions, but their effects are additive rather than identical. Each dominant allele contributes a definite and measurable amount to the phenotype, so the expression of the trait depends on the _____ _______ _______ ___ __________ _____.
_____ _______ ______ ______ ____ ___ _______ ____ ____.
______ ________ _______ _____ ______ ________.
___ _________ _____ ________ ____.
______ _____ ______ ____ ______ _____ ______ _______ ______ __________ ____.
___ ____ ___ ___ ________ ______ ___.
_________ _____ _______ __________ ________ _____.
______ _____ _____ ____ _____.
______ _____ ___ ______ ____ __________ _____ _____ ____ __________ ________.
__________ _____ ______ ___ __________ _______.
__________ __________ ___ __________ __________ ______ ______ ___ ________ ___.
________ __________ _________ ________ __________ _________ ___ ________ ___ ___ __________.
___ ____ ___ _____ __________ __________.
________ ___ ___ _______ _________ ______ ____ _________ _____.
______ ______ ___ ____ _______ _______ ______ _____.
_________ ____ _______ _______ _________ _______ ________.
___ _________ _____ __________ _______.
_______ _______ _______ ___ _______ ______.
___ ______ ___ _____ ______ _____ ________ ____ _____ _____ ______.
_____ _________ _______ ___ _________ ______ _____ _____ ___.
_____ ____ _______ _______ _________ __________ _____.
__________ __________ ___ _______ _______ ______ __________ _______ __________ ___ _______ _________.
________ ______ ______ _________ ___ _____ _____ ___ _________.
___ _____ __________ ____ __________ ________ _____ ______.
______ __________ ________ ___ __________ ___ __________ ________ _________.
______ ______ __________ ___ _________ _______.
Get Full Answer on WhatsApp
IGNOU NEWS
Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★
Top
📞
Call Support Instant phone assistance Describe the phenomenon of duplicate genes with cumulative effect with
🟢
WhatsApp Chat Fast live messaging
Email Us Business enquiries & support