Answer:
Option B is correct
Explanation:
Cystic fibrosis which is also known as CF, mucovoidosis, or mucoviscidosis is caused by a defective gene which causes the lungs and the digestive system to become clogged with sticky mucus resulting the inflammation of the lungs thereby causing difficulty in breathing.
Cystic fibrosis is a genetic condition. Cystic fibrosis can't be caught or developed; it can only be caused by inheriting two copies of the faulty gene.
It might affect the patient because he or she might be in a critical condition you don’t want to him to be mor stressed
ANSWER IS C
C. The joining of an egg and a sperm
Explanation:
Fertilisation
is the fusion of haploid gametes, egg and sperm, to form the diploid zygote. Note though there can be subtle differences in the fertilization process which occurs naturally within the body or through reproductive technologies outside the body, the overall product in both cases is a diplod zygote
