Albinism is described by the recessive allele (aa). A mother who is an albino with normal sight and a dad who is not albino, but is a daltonist have a son who is albino and a daltonist. What is the mother's and father's genotype and how big is the possibility (in percent) that their son is an albino-daltonist ? Solve with the Punnett square.

every el niño cycle is different. every year.

b brown mice / white sand dunes

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.