HELP PLS FOR BRAINLIEST AND THANKS
see attached image
2 answers:
Answer:
none of the other answer
Explanation:
because the chance of CF in child depends in having disease both father and mother if one of them have the disease then its maybe 1 in 1000 or more
Answer:
your answer is correct 1/4
Explanation:
since both parents are heterogeneous so the percentage that their new child will have this disease is 1/4 and this disease needs two alleles of cftr since it is recessive
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