How are sex-linked traits inherited?

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Describe two recent or ongoing space missions.

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because