Lecture 16 - basic principles of heredity 06-01-11

Lecture 16 - basic principles of heredity 06-01-11 -...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Basic Principles of Heredity - Segregation Lecture 16 06-02-11 Chapter 3
Background image of page 1

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

View Full DocumentRight Arrow Icon
Gregor Mendel ± Gregor Mendel (1822-1884): Father of genetics ² He examined the inheritance of qualitative traits ² Determined why some traits disappeared in one generation, then reappeared in another. ² 7KURXJK ³([SHULPHQWV in Plant Hybridization ´ ² In 1866, he published the results of his 10 years investigations RQ WKH LQKHULWDQFH RI ³IDFWRUV´ LQ SHD SODQWV . ² 0HQGHO¶V ODZ RI LQKHULWDQFH ¾ 1 st law: Segregation ¾ 2 nd law: Independent assortment http://www.youtube.com/watch?v=DYK2zB3sItI&feature=related
Background image of page 2
pea plant 0HQGHO¶V 3ODQWV ± Pea plant produces many seeds per plant. ± Qualitative traits - Easy to observe and simply inherited ± Pea plant is self-fertilizing ² Produce true-breeding lines: has stable phenotypes from generation to next. ² Easy to cross-pollinate (hybridize)
Background image of page 3

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

View Full DocumentRight Arrow Icon
Terminology ± Hybrid: the progeny from crossing two individuals (or varieties) that are different in one or more traits. ² Monohybrid: crossing parental varieties that differ in only one trait of interest. ² Dihybrid: parents differ for two traits of interest.
Background image of page 4
Genetic Terms Different alleles for a particular gene occupy the same locus on homologous chromosomes gene location genetic constitution
Background image of page 5

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

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 24

Lecture 16 - basic principles of heredity 06-01-11 -...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online