Phenotype frequency: 30% blue eyes (or 0.3) 70% brown eyes (or 0.7)

Slides:



Advertisements
Similar presentations
For each characteristic you have two alleles; one from your biological mother and one from your biological father. A particular chromosome from your biological.
Advertisements

Punnett Squares Step-by-Step Overview. Genetics Problems: Punnett Squares When we have enough information about two parent organisms, we can predict the.
11.1 Genetic Variation Within Population KEY CONCEPT A population shares a common gene pool.
Chapter 17: Evolution of Populations
How to Solve Hardy-Weinberg problems
Hardy- Weinberg In a species of fish, a single gene controls color. In a population of 100 fish, there are 60 red fish, 30 purple fish, and 10 blue fish.
T G A C T T T C C C C G G A A A A A C T G A A A G G G G C C T T T T.
Evidence for Evolution- Hardy-Weinberg equation
1. 2 Hardy-Weinberg Equilibrium Lecture 5 3 The Hardy-Weinberg Equilibrium.
Population: 10 individuals Phenotype frequency: 30% blue eyes (or 0.3) 70% brown eyes (or 0.7)
Multiple Alleles Practice Problems.
Genetics Vocabulary You need to know these!!!. TRAIT A distinguishing feature that a person has Examples: Brown hair Freckles Widow’s peak Blue Eyes.
Year 10, Pathway C  Inheritance  IntermediateDominant/recessive Offspring can show a mixture of both characteristics Offspring will show one characteristic.
E VOLUTION. T ERMS TO KNOW Population Members of the same species living in the same area Genome Genetic make-up of an organism (DNA) Allele A variation.
Genes and Variation Genotypes and phenotypes in evolution Natural selection acts on phenotypes and does not directly on genes. Natural selection.
Genes Observable traits are the result of genes. – Genes are found on the chromosomes in our cells – Each observable trait is determined by two genes,
May 4, What is an allele?. Genotype: genetics of trait (what alleles?) Homozygous: two copies of the same allele –Homozygous dominant (BB) –Homozygous.
Genes and Alleles. Genes Our DNA contains thousands of genes A gene contains all the information and instructions for a particular trait (ex. hair colour,
Chapter 16 Section 1 Genes and Variation
KEY CONCEPT A population shares a common gene pool.
The Hardy-Weinberg Principle
Notes-Genetics 1. Genetics is the study of how hereditary traits are passed between generations.
Evolution of Populations
Sex Determination Chromosome # 23 are sex chromosomes
Genetic Variation within Populations 11.1
GENETIC NOTES Mrs. Callan 2017.
Intro to Genetics.
To be successful today…
Chromosomes and Genes.
Formed from both inherited alleles.
Unit 7: Mechanisms of Evolution Mutation & Recombination
Lesson Starter How many chromosomes does almost all human cells have?
GENETICS Basic Heredity
Genetics Vocabulary.
KEY CONCEPT A population shares a common gene pool.
KEY CONCEPT A population shares a common gene pool.
KEY CONCEPT A population shares a common gene pool.
Genetics Vocabulary You need to know these!!!.
What will your kids look like?
Natural Selection of Strawfish
KEY CONCEPT A population shares a common gene pool.
Punnett squares.
Hardy Weinberg Problems
Genetics and Heredity.
Evolution 2 Practice Test
Exceptions to Mendel’s Discoveries

April 27, 2010 What is a karyotype?
KEY CONCEPT A population shares a common gene pool.
Natural Selection of Strawfish
Evolution of Populations
Genetic Variation Lesson 42
The role of Genetics and DNA in Evolution (Ch 16.1)
Intro to Genetics.
Natural Selection of Strawfish
Warm up 1. Explain what the purpose of Meiosis is
Lesson Overview 17.1 Genes and Variation.
Template for Crosses Female Parent Male Parent genotype genotype X
Objective: predict possible outcomes of various genetic combinations
Terms MT: Allele Frequency.
Aim: Genetics “Why do we look the way we do?
KEY CONCEPT A population shares a common gene pool.
KEY CONCEPT A population shares a common gene pool.
EVOLUTION 1 PRACTICE TEST
How to Solve Hardy-Weinberg problems
How to Solve Hardy-Weinberg problems (5.17)
Phenotype frequency: 30% blue eyes (or 0.3) 70% brown eyes (or 0.7)
A population shares a common gene pool.
Friday, oct 13th Get your binder You need:
KEY CONCEPT A population shares a common gene pool.
Presentation transcript:

Phenotype frequency: 30% blue eyes (or 0.3) 70% brown eyes (or 0.7) Population: 10 individuals

= bb = Bb = BB Genotype frequency: f(bb) = 30% (or 0.3) f(Bb) = 50% (or 0.5) F(BB) = 20% (or 0.2) Population 10 individuals Phenotype frequency: 30% blue eyes (or 0.3) 70% brown eyes (or 0.7)

= bb b B b = Bb = BB B Genotype frequency: f(bb) = 30% (or 0.3) f(Bb) = 50% (or 0.5) f(BB) = 20% (or 0.2) Number of alleles: b = 11 B = 9 Population 10 individuals

Population 10 individuals b B b b b b b b Genotype frequency: f(bb) = 30% (or 0.3) f(Bb) = 50% (or 0.5) f(BB) = 20% (or 0.2) B b B b B b B b B b Number of alleles: b = 11 B = 9 B B B B Allele frequency: f(b) = 11/20 = 0.55 f(B) = 9/20 = 0.45

b B = Gene pool of a population

= bb b B b = Bb = BB B Possible gametes of each individual

b B = Possible gametes in the population

Population 10 individuals b B b b b b b b Genotype frequency: f(bb) = 30% (or 0.3) f(Bb) = 50% (or 0.5) f(BB) = 20% (or 0.2) B b B b B b B b B b Number of alleles: b = 11 B = 9 B B B B Allele frequency: f(b) = 11/20 = 0.55 f(B) = 9/20 = 0.45