Alicia is performing an experiment to test the reproduction method of cabbages. First she removes all of the leaves from the stem of a cabbage. Then she cuts a piece from the bottom half of the stem and another piece from the top half of the stem. The images show the cabbage leaf and the pieces of the cabbage stem that Alicia uses in her experiment.

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

How does secondary succession differ from primary succession?

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.