Answer: The correct answer is -
d) a dominant trait that depends on the presence of only one of many dominant alleles.
Glaucoma is an autosomal dominant trait, meaning that presence of single copy of the defective gene is enough to cause the disease.
It corresponds to a group of diseases, which cause damage in the optic nerve, leading to loss of vision and if not treated, it ultimately leads to blindness.
Thus, option D) is the right answer.
Understory Layer has the most diversity
Answer:
it retains water
Explanation:
clay soil is a hard kind of soil, since its hard its not loose. sand is what drains quickly, clay drains slowly and retains water for much longer than sand does.
