'Possible offspring' presentation slideshows

4.3.2 - 4.3.11

Natiwya Saddler Mitchell Loll. 4.3.2 - 4.3.11. Background Info. Genotype : the alleles of an organism Phenotype : all characteristics of an organism Punnett Square : means of finding the expected ratio of the offspring, given certain parental phenotypes

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Lecture 6: Inbreeding

Lecture 6: Inbreeding. January 27, 2014. Last Time. Calculations Measures of diversity and Merle patterning in dogs Excel sheet posted First Violation of Hardy-Weinberg assumptions: Random Mating Effects of Inbreeding on allele frequencies, genotype frequencies, and heterozygosity.

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Do Now

Do Now. Complete a punnett square showing the cross between a heterozygous tall plant and a homozygous recessive plant . . Announcements. Gonzaga is now ranked Quiz on Thursday I will not be here on Friday. . Agenda. Sex linked traits Sex linked punnett squares

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Review Questions

Review Questions. What is the difference between a genotype and a phenotype? What are the terms for genotypes AA, aa , and Aa ? If a red flower (RR) is crossed with a white flower ( rr ), what will be the phenotype and genotype of the F1?. Genotype ? Alleles in DNA for a certain trait

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Mendelian Genetics

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How to do a Dihybrid Cross using a Punnett Square

How to do a Dihybrid Cross using a Punnett Square. What two traits are we looking at? Assign letters to represent the dominant and recessive alleles for each trait.

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Genetics Lake Olympia Middle School

Genetics Lake Olympia Middle School. Gregor Mendel .

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Punnett Practice

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How to perform Dihybrid crosses:

How to perform Dihybrid crosses:. When we study two traits on different chromosomes, at one time, we call this a dihybrid cross. You still follow the same five step process for Monohybrid crosses but now there will be four times as many possibilities because we are studying two traits.

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