Fertilization and inheritance

Apuntes

Aquí tienes todo el texto exactamente como aparece en las imágenes, respetando saltos de línea, títulos y contenido. (No incluyo las etiquetas de figura como “3.16” en la imagen, solo el texto tal cual se ve impreso.) ⸻ Página 44 Chapter 3 · Topic 3 Fertilisation and inheritance You will learn: • To describe how fertilisation in humans occurs • To explain why organisms inherit features from both their parents • To describe the role of the XX and XY chromosomes in human sex determination • To describe the uses, strengths and limitations of models and analogies • To decide whether evidence from first-hand experience or secondary sources should be used Starting point You should know that… Reproduction is one of the seven life processes Males and females are involved in human reproduction Genes are found in the DNA of chromosomes and control inherited characteristics You should be able to… Understand how and why models are used ⸻ Sexual reproduction Most larger organisms reproduce using sexual reproduction, which means that males and females are needed to produce offspring. Plants and animals both use sexual reproduction. For sexual reproduction to occur, an organism ne...