Lecture =02 ✨variation heredity and genetics 🧬 (genetics and molecular biology).
Автор: Biotech & Beyond With Tamanna
Загружено: 2025-02-05
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Variation, heredity, and genetics are fundamental concepts in biology that help explain how traits are passed down from one generation to the next, and how organisms within a species can show differences.
1. Variation: This refers to the differences in traits (like eye color, height, or susceptibility to diseases) observed among individuals of the same species. These differences can be genetic (due to inherited genes) or environmental (caused by external factors such as diet, climate, or lifestyle). Genetic variation is important because it provides the raw material for evolution.
2. Heredity: Heredity is the process through which genetic information is passed from parents to offspring. It explains how traits are inherited across generations. The basic units of heredity are genes, which are segments of DNA that carry instructions for making proteins, influencing traits.
3. Genetics: Genetics is the branch of biology that studies heredity and variation. It focuses on how traits are inherited through genes, and how genetic information is transmitted and expressed. The field includes the study of genes, DNA, and the principles of inheritance (such as Mendel’s laws of inheritance).
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