A Certain Type of Congenital Deafness in Humans Is Caused

question 16

Essay

A certain type of congenital deafness in humans is caused by a rare autosomal (not X-linked)dominant gene.
a) In a mating involving a deaf man and a deaf woman (both heterozygous),would you expect all the children to be deaf? Explain your answer.
b) In a mating involving a deaf man and a deaf woman (both heterozygous),could all the children have normal hearing? Explain your answer.
c) Another form of deafness is caused by a rare autosomal recessive gene.In a mating involving a deaf man and a deaf woman,could some of the children have normal hearing? Explain your answer.

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Definitions:

Demographic Data

Information collected about the characteristics of populations, such as age, sex, income level, and education, used for statistical analysis.

Old People

Individuals in the later stage of life, often considered to be of retirement age, who have accumulated a wealth of knowledge and experience.

Demographic Data

Statistical data relating to the population and particular groups within it, such as age, sex, income, and education.

Youngest Population

Refers to the portion of a population that is of the youngest age groups, often used in demographic analyses.