Yellow is a dominant trait in peas. If a two heterozygous parents are crossed, what percentage of the offspring would be genotypically identical to the parents?

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions