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PSYC 255 Essentials of Life Span Development - CHAPTER 2 PT. 1

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These notes cover the SECOND chapter of the course, including the lecture, readings, and essential discussions. Whether you missed a class, need to review for exams, or want a concise summary of complex topics, these notes are your go-to resource. I personally sat through every lecture and reviewed every powerpoint ensuring nothing important was missed. They are ideal for students who want to save time and improve their understanding of the material without the stress of creating their own study resources from scratch. With these notes, you'll be better prepared for exams, quizzes, and assignments, giving you a competitive edge in your Psychology 255 course. Perfect for: Students who missed classes or need to catch up, those looking to reinforce their understanding of complex - psychological concepts, anyone preparing for exams and needing a reliable study guide, and students who prefer well-organized and visually supported study materials ***PLEASE NOTE: As a college student, I want to share that I’m not a professional note-taker, but these notes reflect the methods that have helped me maintain a 3.5-4.0 GPA throughout my college journey. Please note that there may be some spelling or grammatical errors, abbreviations, and personal stylistic choices within these notes—they are, after all, class notes, not a polished thesis. Thank you for your purchase, and if you have any questions, please don't hesitate to reach out.

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Document information

Uploaded on
August 20, 2024
Number of pages
3
Written in
2023/2024
Type
Class notes
Professor(s)
Patrick bowman
Contains
Lecture 2

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chapter 2: biological beginnings

genetic foundations of development:
•each person carried a genetic code inherited from parents
•each fertilized human egg carries this genetic code
•a fertilized human egg cannot grow into any other species
•each person begins life as a single cell containing one's entire
genetic code

genes and chromosomes
how do genes get passed from generation to generation?

mitosis: cellular reproduction in which the cell's nucleus
duplicates itself, with two new cells being formed
•each contains the same DNA s the parent cell, arranged in the
same 23 pairs of chromosomes

meiosis: a specialized form of cell division that occurs to form egg
and sperm (or gametes)

fertilization: a stage in reproduction whereby an egg and sperm
fuse to create a single cell, called a zygote

zygote: a single cell formed thru fertilization
•23 pairs of chromosomes
•one chromosome for each pair comes from the mother's egg and
the other from the father's sperm
sex linked chromosome abnormalities:
xyy syndrome (male):
•extra y chromosome
•above average height
•larger than average teeth
•usually normal puberty
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