Being right-handed (R) is dominant over being left-handed(r), and having freckles (F) is dominant over not having freckles (f). Two parents are both heterozygous for both traits. What are the chances of having offspring(s) that are right-handed with freckles? 1/16
4/16
10/16
9/16

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

How can an organ, such as the lungs, work for multiple body systems?