In humans, the ability to roll your tongue is an autosomal dominant trait (T); the inability to rol your tongue is recessive (tt), having a cleft chin ai an autosomal dominant (N) and the lack of the cleft chinn is recessive (nn). A man can roll his tongue and has a clift chin; his father can not roll his tongue and didn't have a cleft chin. The man is married to a woman who can roll her tongue and who has a cleft chin; her mother coud not roll her tongue and didn't have a cleft chin. What are the possible genotuypes and phenotypes of the children? Woman's genotypes? Man's genotypes? Woman's gamete alleles? Man's gamete alleles?

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Communication

Communication is a method of transferring information between two persons or organisms. Communication is possible using mutually understood behaviors such as signs, symbols, or language. In the year 1980, S. F. Scudder proposed communication theory. According to his ideas, all living beings on the earth communicate, but the methods of communication differ. Communication skills are now part of soft skills.