Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree. John is an empty square with a x Upper H Y genotype. Based on the pedigree that is shown, which describes John? carrier for hemophilia expresses hemophilia does not have hemophilia expresses hemophilia and died of complications

answer; /// i believe the correct answer is (thrombocytopenia); (a)

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse