Question

Cytoplasmic male sterility (CMS) in maize has been exploited for hybrid seed
production This trait is transmitted by the seed parent. CMS lines are
maintained by
A. clonal propagation
B. self pollination
C. crossing with pollen from a restorer line
D. crossing with the genotype same as the CMS line​

Answer 1

Explanation:

Cytoplasmic male sterility is total or partial male sterility in plants as the result of specific nuclear and mitochondrial interactions.[1] Male sterility is the failure of plants to produce functional anthers, pollen, or male gametes.

hope it helps

plzz mark as brainliest