Explanation:
All males who inherit the mutation will be affected, and all females who inherit the mutation will be carriers. Because it is not possible for a male to be an unaffected carrier of X-linked SCID, parents cannot both be carriers of this type.
Answer:
Heavy breathing
Explanation:
U know when u are doing a heavy job u feel like u can't breathe normally till u rest a little bit
I think the answer would be the letter C but I'm not 100% sure about it tho