What is the probability that a couple with two children will have one boy and one girl?

The diagram shows a chicken embryo and a human embryo

Located at the epidermal-dermal junction of the skin. select all true statements about the transformation of melanocytes into abnormal cell

Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the carry sticks based on the category they describe