New, inheritable characteristics can result
i. the recombination of genes during meiosis.
ii. the formation of daughter cells during mitosis.
iii. mutations in the genes found in sex cells.
iv. mutations in the genes found in non-sex cells.

the answer is sex-linked recessive.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.