Answer:
The given pedigree analysis shows sex-linked trait where the female work as a carrier and have X linked recessive gene that is 
and the male is normal.
So, Fred will be a male with 
gene and Fred will be affected with X linked disease which is carried by female.
If, gene in the female (Ann) act as a carrier of hemophilia and the male (John) is normal, then Fred will be a male affected with hemophilia (sex linked disease).
Hence, Fred will be affected male with genotype.
I would say a chair has nothing to do with those
It’s TAGCGTTAA they are complementary
Mantle<span> is the answer I believe.</span>
Hello.
The answer is D<span>enitrification.
</span>Denitrification is <span>nitrogen or nitrogen compounds added or taken away.
It helps becasue there is e</span>xcess nitrate and puts nitrogen in the everment.
Denitrification also helps the ground water.
Have a nice day
