Hemophilia is an X-linked condition in which the process of blood clotting is impaired. The allele xH for normal blood clotting is dominant over the allele xh, which results in
hemophilia. What is the probability that a cross between a carrier female and a normal
male will produce a male who has hemophilia?
A. 25%
B.50%
C. 75%
D.100%

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis