Ear

Free ear lobe in humans is an autosomal dominant trait. The recessive individuals show fused ear lobes. A child with fused ear lobes is born to a couple who have free ear lobes. What is the probability of their next child to be with free ear lobes?

Free ear lobe in humans is an autosomal dominant trait. The recessive individuals show fused ear lobes.A child with fused ear lobes is born to a couple who have free ear lobes. What is the probability of their next child to be with free ear lobes?

Read the following statements and find out the incorrect statements. a. Anatomically, the ear can be divided into three major sections called the outer ear, the middle ear and the inner ear. b. The outer ear consists of the pinna and external auditory meatus (canal). c. The tympanic membrane (ear drum ) is composed of connective tissue covered with mucus membrane outside and with skin inside. d. The ear ossicles reduces the efficiency of transmission of sound waves to the inner ear. e. The pinna collects the vibrations in the air which produce sound.

Read the following statements and find out the incorrect statements. a. Anatomically, the ear can be divided into three major sections called the outer ear, the middle ear and the inner ear. b. The outer ear consists of the pinna and external auditory meatus (canal). c. The tympanic membrane (ear drum ) is composed of connective tissue covered with mucus membrane outside and with skin inside. d. The ear ossicles reduces the efficiency of transmission of sound waves to the inner ear. e. The pinna collects the vibrations in the air which produce sound.