In the cross bb x bb, the percent of offspring in the f1 generation that will have the same genotype as one of their parents is

100%
50%
25%
0%

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?

Wich of the following are manual restraint techniques for dogs

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?