Sam is heterozygous at the locus for the gene that determines whether you have hitchhikers thumb to bend 90 degrees back. You find out that hitchhikers thumb is recessive and having a normal thumb is dominant. Based on that, you expect Sam to have a.) normal thumbs.
B.) hitchhikers thumbs.
C.). One hit hi thumb and one normal thumb.

Physical characteristics of down syndrome

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

When sodium chloride dissolves in water the sodium cholride dissociates into?