What do you remember about mutations? For the following, place an “X” if it is a true statement.

Mutations are random.
Mutations are most beneficial and useful for an organism.
Mutations can occur in both DNA and RNA.
Mutations can only occur during interphase.
Not all DNA codes for proteins.
Not all genes are “turned on” or activated.
Substitution mutations typically result in a frameshift.

Mutations can be genetically inherited.

blue

light-years

magnitude

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.  

loss of sensation to pressure and touch

the dorsal column–medial lemniscus pathway (dcml) (also known as the posterior column-medial lemniscus pathway (pcml)) is a sensory pathway of the central nervous system that conveys sensations of fine touch, vibration, two-point discrimination, and proprioception (position) from the skin and joints.