For offspring to have a recessive trait, what has to be true? (a) both parents had to give a recessive trait to their offspring
(b )one parent had a recessive allele to pass on but the other parent only had dominant alleles
(c) both parents had only dominant alleles

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

Listed in the item bank are some key terms and expressions associated with the categories seen in the venn diagram. to find out more information about items, some have more details available when you click on them. drag and drop each item onto the proper area of the diagram. if an item describes more than one category, be sure to place it in the overlapping space. viruses are tiny infectious pathogens that cause many different diseases, such as polio, and the flu. though they are similar to one celled organisms in some ways, in many ways they are very different. use the venn diagram below to show the similarities and differences between viruses and living organisms.

Which of the following is a testable hypotheses?