what is The physical unit of hereditary composed of a DNA sequence?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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what is The physical unit of hereditary composed of a DNA sequence?

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Introduction

Heredity is the sum of biological processes by which are characteristics ar transmitted from  parents to offsprings .The concept of heredity encompasses two seemingly paradoxical observations about organisms: the constancy of species from generations to generation and therefore the variation among individual among the species. Constancy and variation are literally two sides of the same coin, as becomes clear within the study of genetics .

 

 

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