In humans, long eyelashes are dominant, short eyelashes are recessive

woman with long eyelashes and a man with long eyelashes have 4 children.

child had short eyelashes; the others have long eyelashes.

a) List the probable genotypes of the parents.

b) List the probable genotypes and phenotypes of the children.

How do you date a sample of rock that you suspect as being one of the earliest on earth

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.