5.2: traits & punnett squares - rcsmsmrs....

5.2: Traits & Punnett Squares

p. 120-125

Copyright © 2013 Organized Binder. All Rights Reserved. (8/2/13)

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Calculate the Mendelian ratio for the following trait: Round seed (dominant): 5474 and Wrinkled (recessive): 1850.

What did you learn today?


The ratio is: 2.95: 1 OR 3:1

Where can genes be found? What are alleles?

Genes are found on chromosomes in the nucleus of our cells. Alleles are the two forms of genes one can inherit from their parents.


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My List of Academic Tools


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My List of Academic Tools Unit 1: Heredity, Genes, and DNA

Standards and CSS and NGSS

Unit 1: Heredity, Genes, and DNA

Chapter 5 Vocabulary 1/5/15

Finger Print Activity 1/5/15 Unit 1: Ch 5.1 Mendel & His Peas Notes 1/6/15 Unit 1: Ch 5.1 Mendel & His Experiments Notes 1/6/15

Unit 1: Ch 5.1 Mendel & His Experiments WKST & HMWK 1/6/15

Unit 1: Ch 5.1 Mendel & His Ratio WKST & HMWK 1/7/15

Unit 1: Ch 5.1 Mendel & His Ratio Notes 1/7/15

1/7 OR 1/8Ch 5.1 Quiz: Mendel, Peas and Ratios

Trait Survey Packet (Lab) 1/8/15

Section 5.1 Review #1-4, 7, 8-9 p. 119 1/8/15

Ch 5.2: Traits & Punnett Square Notes 1/12/15

Ch 5.2: Traits & Punnett Square WKST & HMWK 1/12/15

Ch 5.3: Meiosis Notes

Ch 5.3: Meiosis Activity (WKST) & HMWK

1/14/15

1/14/15

Ch 5.2 Section Review p. 125 #1,3,4,6,7-9 1/15/15

Ch 5-2 & 5.3 Quiz: Punnett Squares & Traits 1/15/15

Family Portrait Activity-Probability of Genes 1/13/15

CH 5 VOCABULARY

Genes: instructions/“blueprints” for inherited traits

Alleles: the different forms (dominant or recessive) of a gene

CH 5 VOCABULARY

Genotype: both inherited alleles together form this; the “genetic” makeup of a trait

Phenotype: an organism’s physical expression of a gene “physical trait”

Vocabulary Example (1 gene=2 alleles)

Genetic Application

Genotype: •  Genetic makeup of

an organism

Represented by (TT, tt, or Tt)

T=dominant allele t=recessive allele

Phenotype: •  Physical

characteristics of an organism

Similar to “trait” •  Actual trait you see face-to-face

•  Physically observing someone with brown eyes

CH 5 VOCABULARYVocabulary Genotype Phenotype

Homozygous: Term used to refer to an organism that has two identical alleles for a particular trait

TT or tt TT= homozygous dominant (tall) tt= homozygous recessive (short)

Heterozygous: Term used to refer to an organism that has two different alleles for the same trait

Tt Tt=tall (dominant trait)

PUNNETT SQUARES

How do we predict traits for future offspring?

Punnett squares: organizes all possible combinations of offspring from specific parents.

We use the alleles to make and fill in the square.

PUNNETT SQUARE SET UP

Making a Punnett Square:

pg. 121 in textbook

GENES AND ALLELES MOVIE CLIP

https://www.youtube.com/watch?v=CBezq1fFUEA


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Calculate the Mendelian ratio for the following trait: Round seed (dominant): 5474 and Wrinkled (recessive): 1850.



The ratio is: 2.95: 1 OR 3:1

Where can genes be found? What are alleles?

Genes are found on chromosomes in the nucleus of our cells. Alleles are the two forms of genes one can inherit from their parents.

CH 5 VOCABULARY

Probability: the likelihood that a possible future event will occur in any given instance of the event

PUNNETT SQUARE SET UP

Making a Punnett Square:

pg. 121 in textbook

Steps for Punnett SquaresSTEPS:

(1) Fill in (or complete) the Punnett Square.

(2) Record the genotypes you find.

(3) Record the phenotypes you find.

(4) Use probability to explain the chances of a dominant or recessive offspring for both genotype and phenotype.


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Fill in (or complete) the Punnett Square.

tTtt

tTtt T

Ttt

tttt

tTtt T

Ttt

tttt

T=dominant trait for “tall”. t=recessive trait for “short”. Looking at the Punnett Square, what is the probability of this couple having a child who is short?

50%


Name Period G

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Name Period G

Academic Toolkit1

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Name Period G

Academic Toolkit1

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Name Period G

Academic Toolkit1

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5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

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My List of Academic Tools Unit 1: Heredity, Genes, and DNA

Standards and CSS and NGSS

Unit 1: Heredity, Genes, and DNA

Chapter 5 Vocabulary 1/5/15

Finger Print Activity 1/5/15 Unit 1: Ch 5.1 Mendel & His Peas Notes 1/6/15 Unit 1: Ch 5.1 Mendel & His Experiments Notes 1/6/15

Unit 1: Ch 5.1 Mendel & His Experiments WKST & HMWK 1/6/15

Unit 1: Ch 5.1 Mendel & His Ratio WKST & HMWK 1/7/15

Unit 1: Ch 5.1 Mendel & His Ratio Notes 1/7/15

1/7 OR 1/8Ch 5.1 Quiz: Mendel, Peas and Ratios

Trait Survey Packet (Lab) 1/8/15

Section 5.1 Review #1-4, 7, 8-9 p. 119 1/8/15

Ch 5.2: Traits & Punnett Square Notes 1/12/15

Ch 5.2: Traits & Punnett Square WKST & HMWK 1/12/15

Ch 5.3: Meiosis Notes

Ch 5.3: Meiosis Activity (WKST) & HMWK

1/14/15

1/15/15

Ch 5.2 Section Review p. 125 #1,3,4,6,7-9 1/15/15

Ch 5-2 & 5.3 Quiz: Punnett Squares & Traits 1/15/15

Family Portrait Activity-Probability of Genes 1/13/15

Ch 5 Vocabulary

Hauki Deck

http://www.haikudeck.com/p/PZmdrdhB85/vocabulary

Review Ch 2 Vocabulary

Asexual reproduction: only 1 parent is needed; 1 cell dividing into two identical cells (mitosis)

Sexual reproduction: two parents are needed; 2 cells (mom and dad) joining into 1 cell

Intro to Meiosis

How many chromosomes are found in most cells in your body?

46

How many chromosomes are found in the sex cells of your body?

23

Prezi Meiosis

YouTube

Picture

http://prezi.com/uiitl6li5gw6/?utm_campaign=share&utm_medium=copy

http://www.youtube.com/watch?v=ncLYU1UO6JA

https://images.search.yahoo.com/images/view;_ylt=AwrTccsgaLdUIFwAXTolnIlQ;_ylu=X3oDMTBsOXB2YTRjBHNlYwNzYwRjb2xvA2dxMQR2dGlkAw--?p=mitosis+and+meiosis&back=https%3A%2F%2Fsearch.yahoo.com%2Fyhs%2Fsearch%3Fp%3Dmitosis%2Band%2Bmeiosis%26ei%3DUTF-8%26hsimp%3Dyhs-001%26hspart%3Dmozilla&w=800&h=641&imgurl=www.biosci.ohio-state.edu%2F~plantbio%2Fosu_pcmb%2Fpcmb_lab_resources%2Fimages%2Fpcmb102%2Fangio_life_cycle%2Fmitosis-meiosis.jpg&size=148KB&name=mitosis-meiosis.jpg&rcurl=http%3A%2F%2Fwww.imagejuicy.com%2Fimages%2Fplants%2Fl%2Flilium%2F24%2F&rurl=http%3A%2F%2Fwww.imagejuicy.com%2Fimages%2Fplants%2Fl%2Flilium%2F24%2F&type=&no=4&tt=120&oid=a8d8658f0031b5c9f4fb73618e17dc23&tit=Sensitive+Plant+Flower+Essence+-+%28600x383+-+36kB%29&sigr=11kq7nhvr&sigi=13jtjhn0e&sign=10j8tc5gv&sigt=103vg5ole&sigb=12vv3oset&fr=yhs-mozilla-001&hspart=mozilla&hsimp=yhs-001

5.2: traits & punnett squares - rcsmsmrs....

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