Pedigrees.

Slides:

Advertisements

Similar presentations

Sex-linked traits. Sex chromosomes carry genes that code for traits other than gender. Traits determined by genes on the X chromosome are called sex-linked.

Advertisements

Two copies of each autosomal gene affect phenotype.

KEY CONCEPT A combination of methods is used to study human genetics.

 Genes are found on the X AND Y chromosomes.  Genes that are carried on the sex chromosomes are called sex linked genes.

Do Now : Think-Pair-Share For a height characteristic when tall is dominant What would be the phenotypic ratio for offspring of heterozygous and homozygous.

Karyotyping Sex-Linked Traits and Pedigrees! Oh My!

Chapter 12 Review Sheet. What are the sex chromosomes? X Y.

Genetics Pedigrees and Karyotypes

Why are recessive disorders more common than dominant ones?

Inheritance of Traits: Pedigrees

Genetics Pedigrees and Karyotypes. Karyotype What to look for in a karyotype? When analyzing a human karyotype, scientists first look for these main.

Genetic disorders can be due to any of the following factors: A. Monogenetic Disorders: Caused by a mutation in a single gene 1. Autosomal recessive alleles:

CP Biology Genetics Unit

Pedigree Charts The family tree of genetics. Overview I.What is a pedigree? a. Definition b. Uses II. Constructing a pedigree a. Symbols b. Connecting.

Pedigree Charts The family tree for genetics. Overview I.What is a pedigree? a. Definition b. Uses II. Constructing a pedigree a. Symbols b. Connecting.

Human Heredity Chromosomes & Pedigrees. Karyotype x.

Sex-linked Traits. Sex determination  Sex chromosomes – determines the sex of an individual YY XX  Males have X and Y  Two kinds of gametes  Female.

The family tree of genetics

Pedigree Chart Notes Genetic Family Tree. What is a Pedigree?  A pedigree is a chart of the genetic history of family over several generations.  Scientists.

Pedigree Charts The family tree of genetics Pedigree Charts I II III.

Pedigree Charts The family tree of genetics. What is a Pedigree?  A pedigree is a chart of the genetic history of family over several generations. 

The family tree of genetics

KEY CONCEPT A combination of methods is used to study human genetics.

Chapter Seven: Extending Mendelian Genetics

Two copies of each autosomal gene affect phenotype.

KEY CONCEPT A combination of methods is used to study human genetics.

Linked Traits and Human Genetics

The family tree of genetics

Genetic Pedigrees.

The family tree of genetics

Multiple Alleles Sex Linked Gene Carrier Genetic Disorder

KEY CONCEPT A combination of methods is used to study human genetics.

KEY CONCEPT A combination of methods is used to study human genetics.

Two copies of each autosomal gene affect phenotype.

KEY CONCEPT A combination of methods is used to study human genetics.

Tracing Traits Pedigrees.

Two copies of each autosomal gene affect phenotype.

The family tree of genetics

Hemophilia Genetics of the F8C Gene.

Two copies of each autosomal gene affect phenotype.

KEY CONCEPT A combination of methods is used to study human genetics.

Two copies of each autosomal gene affect phenotype.

KEY CONCEPT A combination of methods is used to study human genetics.

KEY CONCEPT A combination of methods is used to study human genetics.

Extending Mendelian Genetics

12/12/14 Discussion Questions

Class Notes #8: Genetic Disorders

gene mapping & pedigrees

Two copies of each autosomal gene affect phenotype.

Two copies of each autosomal gene affect phenotype.

Human Genetics and Pedigrees

The family tree of genetics

Codominance and Pedigree Charts

Take out pedigree homework

Two copies of each autosomal gene affect phenotype.

Hemophilia Genetics of the F8C Gene.

The family tree of genetics

Pedigree Charts Diane Philip.

Two copies of each autosomal gene affect phenotype.

Two copies of each autosomal gene affect phenotype.

KEY CONCEPT A combination of methods is used to study human genetics.

Two copies of each autosomal gene affect phenotype.

KEY CONCEPT A combination of methods is used to study human genetics.

X-Linked Inheritance (Sex Linked)

KEY CONCEPT A combination of methods is used to study human genetics.

Two copies of each autosomal gene affect phenotype.

Two copies of each autosomal gene affect phenotype.

KEY CONCEPT A combination of methods is used to study human genetics.

Sex Chromosomes vs Autosomal Chromosomes

Presentation transcript:

Pedigrees

Pedigrees are used to: Determine whether a trait is inherited Show how a ______ is passed from one generation to the next To determine if an allele is _______or recessive

Symbols: Female ______

Connecting Symbols: Married Couple _________

Generations I ____

Symbols: _____ Carrier _______

Sex-linked: Sex-linked issues… Are caused by genes located on ___ or ___ chromosome More common in _____since they have only 1 X chromosome; females more often carriers Female must have 2 _________genes for trait to occur

Karyotypes To look for __________(chromosomes fail to separate) or other genetic disorders

Karyotypes To look for __________(chromosomes fail to separate) or other genetic disorders

Accessing Genetic Disorders Analyzing___________ Genetic counseling _________testing