You cross a Drosophila female with forked bristles (f) and black body (b) to a true breeding wild-type male. Y

Question

You cross a Drosophila female with forked bristles (f) and black body (b) to a true breeding wild-type male. You get only wild type female and forked male progeny. There are no black progeny. Are forked and black on the same chromosome? Are they X-linked? Explain.

Answer 1

since you got only forked male progeny, but not female progeny, the mother was forked, forked is X-linked

There are no black progeny, so black is not X-linked; it's autosomal

Answer 2

Forked would definately be sex-linked since all male progeny are affected. Black body is not on the same chromosome since the male progeny are not affected so it is probably just autosomal.

Answer 3

they could have black and yellow.If there is chocolate of their bloodline,they could also throw candies.in spite of the indisputable fact that the dogs in basic terms had pups and he or she might want to not be bred back this time,if ever.Are the dogs both OFA qualified? Have they been cleared for PRA? Are they best examples of their breed? Are you prepared to pay thousands of greenbacks for a C-section if the dogs might want to wish one? If she rejects the domestic dogs or get mastitis,are you prepared to bottle feed the domestic dogs? did you comprehend the way a lot nutrients a nursing dogs and her pups go by? the mother dogs needs to devour puppy nutrients,and diverse it,even as she is nursing domestic dogs. The there are photos,worming,and so on.Do you've money to spend on all of this and are you prepared to save any domestic dogs that you won't be able to promote? did you comprehend that Labs are between the most difficulty-loose breeds to be surrendered to shelters and that black Labs are more effective in all chance to be euthanized? Be to blame and get both dogs fixed.

Answer 4

You get a green Canadian with 3 arms