Protostomes that have bilateral symmetry and three embryonic germ layers, but that do not possess a coelom or pseudocoelom, are
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Answer:
Hemophilia is an X-linked recessive disease. Let the normal allele be represented as XH and the mutant allele be represented as Xh. Here,
hemophilic male = XhY
hemophilic female = XhXh
When XhY X XhXh the punnett square will be as follows:
Xh Y
Xh XhXh XhY
Xh XhXh XhY
The entire progeny will be hemophilic since only Xh allele was passed on by both the parents.
