Does a homeostatic feedback loop only function where there is a change from the set point explain

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

How many copies of genes do gametes have?