Answer:
This cumbersome trait significantly decreases the male's chances of survival. ... natural selection: that is, that organisms better adapted to their environment would benefit from ... the individual's reproductive success, even at the expense of their survival (Darwin 1871). ... A successful male can potentially sire many offspring.
Explanation:
We have an internal skeleton and a grasshopper has an external skeleton.
The probability is 1/2. This is because half are likely to be carriers and 1/2 are likely to have hemophilia.