A maintainer line is
A. Male fertile and can restore fertility
B. Male sterile but can restore fertility
C. Male sterile and cannot restore fertility
D. Male fertile but cannot restore fertility
Answer: Option D
Solution (By Examveda Team)
A maintainer line is Male fertile but cannot restore fertility.A male fertile line is known as the maintainer line or 'B' line and 'the male sterile line is also known as 'A' line.
In a maintainer line (M), its cytoplasm is male fertile (normal) which interacts with a recessive male-sterile nuclear gene to jointly perform male-fertile phenotype.
Related Questions on Genetics and Plant Breeding
Genetic code was discovered by
A. Khorana and Methaei
B. Flemming and Methaei
C. Holley, Nirenberg and Khorana
D. Holley and Nirenberg
Progeny of breeder seed is referred to as
A. Breeder seed
B. Nucleus seed
C. Foundation seed
D. Certified seed
Molecular basis of organ differentiation depends on the modulation in transcription by
A. RNA pol
B. Transcription factor
C. Anticodon
D. All of the above
The phenomenon of linkage was first observed by
A. Bateson and Punnet
B. Nilson
C. Hugo de Vries
D. Mendel

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