In people, a dimpled chin is an autosomal dominant trait. many famous celebrities, such as john travolta and michael and kirk douglas, have this condition. assume that the wrestler and actor hulk hogan is homozygous for the dimpled chin, and he married a woman with a round chin. they had two children, brooke and nick. what is the probability that their children will show the trait?

100%

Explanation:

Suppose B is dominant allele for dimpled chin and b is recessive allele. Hulk Hogan has homozygous dimpled chin which means that his genotype would be BB. The woman has recessive round chin which means that her genotype would be bb.

Their children : BB  X  bb =

    B      B

b   Bb    Bb

b Bb    Bb

All the offspring will receive one dominant allele from Hulk so they all will have dimpled chin. Hence, probability that their children will show the trait is 100%.

it has to be understood that the sea water contains a huge amount of sodium and chlorine ions and if they enter the cell of the atlantic cod fish, the cell will shrivel and the fish will die. to avoid such a condition, the fish uses active transport for the purpose of removing the ions against the gradient.

explanation:

the atlantic cod is not a maritime osmoconformer. its native application of salts is less than that of the seawater it lives in. it is continually falling water from the gills to the ocean via osmosis.

countering that, the fish is going to be swallowing seawater. but since its internal collection of salts is lower than seawater, the fish will want to go free of excess salt, and since that's going upon a gradient, then active transport, requiring energy, must be used to pump out the salt. much marine fish use the organs to filter out the salt and these fish discharge very straight urine.

d. organisms have cells with different shapes and functions.