In humans, the ability to roll the tongue is a dominant trait. the inability to roll the tongue is a recessive trait. if two individuals homozygous recessive for this trait have a child, what is the chance that the child will be able to roll his tongue? 50% 25% 100% 0%

airlines i think? or a cruise boat? does this work out for u? ?

your answer is going to be physical weathering

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.