in Fundamentals of Genetics by

1 Answer

0 votes

Phenotypic characteristics are developed by the interactions of genes with the environment. Expressions of many genes are dependent on various internal and external environmental influences. Internal environment includes the hormones and external environment like nutrition. In some cases, environmental influences are great but in some its contribution is very less.

Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.