Lecture 2 - Genetics_2012_OUTLINE

Lecture 2 - Genetics_2012_OUTLINE - Genetic Basis of...

Info icon This preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Genetic Basis of Development Lecture 2 January 11, 2012
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Lecture Overview 1. Goal : to describe the roles of genetics and  epigenetics in developmental psychology 2. Basic terminology and concepts 3. Patterns of genetic inheritance  4. Video on the Human Genome Project 5. Gene-Environment interactions 6. Video on epigenetics 7. Focus on the range of environments
Image of page 2
Terminology 1. Genotype :  the complete set of genes  that comprise ones heredity. 2. Phenotype :  The physical,  behavioral, psychological,  genes and  environment features that result  from the interaction of one’s genes  and the environment. Human development is the result of  genetic and  environmental interactions
Image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Terminology continued Chromosome  – A threadlike strand _located  in each of cell’s nucleus that carries the  genes_ There are 23 matching pairs of chromosomes  in each cell, including: § Autosomes  -- _regular pairs  ____22___ of the 23 pairs § Sex chromosomes  - 23rd pair -  determine sex of the child Ø XX = __female____ Ø XY = __male__ Father’s genetic contribution determines the  sex
Image of page 4
Terminology continued Chromosomes are made of DNA.   § DNA  (deoxyribonucleic acid) – a double-helix  shaped molecule composed of 4 chemical  compounds  (_______adenine, thymine, guanine,  and cytosine).  § gene  is a segment of DNA along the length of  the chromosome that contains the chemical  blueprint for making particular proteins_.  § Proteins  – the building blocks of life § Expression  – Genes must be “turned on” (often by  the environment) in order to form proteins.
Image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Terminology continued The order in which the chemical  compounds appear is the code   that determines what protein a  gene will make Humans have about 25,000  genes
Image of page 6
Putting it all together Chemical Compounds
Image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Genetic Concepts Most genes have two copies and they  appear on a chromosome pair.  Each  copy of the gene is called an allele We get one copy from each parent Homozygous – When the alleles  are the same
Image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern