Genetics Unit 1 Review.

Slides:

Advertisements

Similar presentations

1. The gene for tall plants (T) is dominant over the gene for dwarf or short plants (t) in peas. A homozygous tall plant is crossed with a heterozygous.

Advertisements

Understanding How Gametes are Formed. Alleles First remember all of our traits or genes come in pairs. Remember if you have a pair of jeans – you have.

Using a Punnett Square.

Genetics Lab 12. Genes & Alleles  Gene – Basic unit of heredity. A short sequence of DNA that codes for a polypeptide. Example – the gene that codes.

Punnett Squares Using a diagram to help predict offspring in genetic crosses.

Introduction to Genetics

GENETICS….. FINALLY!.  We all have different traits/characteristics  Traits – eye color, hair color and texture, height, etc.

How are two homologous chromosomes similar and how are they different? Draw a cell in prophase I of meiosis and describe the events that occur there. Draw.

Define the following terms: – Homozygous – Dominant – Law of segregation – Monohybrid cross – F1 generation – Test cross Who was Mendel and what did he.

Story of Genetics Gregor Mendel. Genetic Problem Solving Each gamete has one gene for each trait. After fertilization the new organism has two genes.

Monohybrid Crosses These crosses involve one pair of contrasting traits. There are 5 different types which we will discuss.

Punnett Squares. Traits P - Parental Generation Genotype: TT or tt Gametes: T or t F1 – First Filial Generation Genotype: Tt Gametes: T or t F2 – Second.

Genetic Cross Challenge Welcome to the. Question 1 Give an example of: Incomplete dominance Incomplete dominance Complete dominance Complete dominance.

Practice with punnett squares

5 Steps to Solving Monohybrid Crosses

Genetic Crosses...and Zygosity. Heterozygous: Having two DIFFERENT alleles for a trait. Homozygous: Having two of the SAME allele for a trait.

HUMAN BIO 11 Genetics: Punnet Squares. Mendelian Genetics Alleles  a form of the gene Phenotype  physical appearance Genotype  the alleles a person.

1/6/12 Objective: What factors influence typical inheritance? Do Now: -Take out Cyclops problem.

Mendel Mendel Genetic † Potpourri FINAL JEOPARDY! FINAL JEOPARDY!

I can… analyze punnett squares! Warm up: What percentage of heterozygous offspring would there be from a parent that is homozygous dominant and a parent.

WHITEBOARD PUNNETT SQUARES

List all of the gametes that could be produced by a TtGg individual.

Genetics SC.912.L In human eye color, B represents the dominant brown eye gene and b represents the recessive blue eye gene. If two parents have.

PUNNETT SQUARE PRACTICE.

FOR ALL QUESTIONS – THESE ANSWERS APPLY A – 25% B – 50% C – 75% D – 100%

HAPPY WEDNESDAY Bellwork : Copy only the UNDERLINED WORDS and ANSWER the questions. Tongue Rolling (T) is dominant to Non-Tongue Rollers (t). 1. What are.

Solving Genetics Problems. Phenotype: physical appearance Ex: Brown Hair, Purple flowers, White fur, produces lactase Genotype: what genes an organism.

Genetics vocabulary.

Inheritance Practice If you get the question correct you step forward and back if it is incorrect.

Mendel, Heredity and Punnett Squares

Jeopardy Final Jeopardy Punnett Squares Topic 3 Blood Type Vocabulary

Performance Indicator 7.L.4A.3

Do Now Put modeling meiosis in bin.

GENETIC NOTES Mrs. Callan 2017.

Making predictions about future generations…

Notes – Punnett Squares

5 Steps to Solving Monohybrid Crosses

Genetics Jeopardy!.

Genetics Notes Chapter 13.

Punnett Squares Spring 2018.

Intro To Genetics.

7.L.4A.3 Develop and use models (Punnett squares) to describe and predict patterns of the inheritance of single genetic traits from parent to offspring.

Genetics definitions Label each chromosome pair as homozygous dominant, homozygous recessive, or heterozygous with definitions Label dominant.

Punnett Squares Punnett Squares Z Z Z Z Z z z z z z z

Phenotype/Genotype Homozygous/Heterozygous

Punnett Square Practice

Monohybrid Practice Problems

Mendel and Genetics.

Presented by; Mrs. Barr Mrs. Batten

When two traits are involved in a cross, it is called a

Incomplete Dominance Incomplete Dominance: The heterozygous genotype produces a phenoytype that falls in between the dominant trait and the recessive trait.

Genetics Practice.

Dihybrid Crosses.

Blue people of Kentucky

Incomplete Dominance Incomplete Dominance: The heterozygous genotype produces a phenotype that falls in between the dominant trait and the recessive trait.

Dihybrid Crosses and Gene Linkage

Dihybrid Crosses.

Genetics Practice Word Problems.

Mitosis and meiosis have several key differences.

Punnett Squares Note Frame 11.

Punnett Squares Standard

Genotype & Phenotype 1. Introduction

Dihybrid Cross Notes.

Punnett Practice A cross between 2 heterozygous plants yields 1252 offspring. How many are dominant and how many are recessive?

Basic Genetics Chapter 11.

Punnett Square Vocabulary

Presentation transcript:

Genetics Unit 1 Review

In humans, being a tongue roller (R) is dominant over non-roller In humans, being a tongue roller (R) is dominant over non-roller. A man who is a non-roller marries a woman who is heterozygous for tongue rolling. Father’s genotype: ________ Mother’s genotype: ________ Genotype ratio: Phenotype ratio:

In a particular species of flower, tall (T) is dominant to short, and orange petals (F) are dominant to the recessive white color. Cross a homozygous tall white flower with a flower heterozygous for both traits. Parent 1 genotype: ________ Parent 2 genotype: ________ Genotype ratio: Phenotype ratio: