Genes-+Heredity+and+DNA

=**Genetics- Ch. 3**= Great introduction to our GENES media type="youtube" key="hywRdDVR76A" width="560" height="315"

Bill Nye: Genes media type="custom" key="28952260"

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Genetics Foldable for ISN

media type="youtube" key="_c8TpEicj8w" width="560" height="315" Asexual and Sexual Reproduction- information that will be helpful! media type="youtube" key="xU2vg9F0qF4" width="560" height="315" Budding in Hydra- Asexual reproduction media type="youtube" key="-B7ANli2xfY" width="420" height="315"
 * Asexual Reproduction**

Binary Fission media type="youtube" key="WvKphSn6uTg" width="420" height="315"

=Traits Survey Facts=

Facts about PTC Tasting ability
 * For some people the chemical PTC (phenylthiocarbamide) tastes very bitter. For others, it is tasteless.
 * The ability to taste PTC shows dominant inheritance and is controlled by a gene on chromosomes 7. This gene codes for part of the bitter taste receptor in tongue cells. One of its five alleles (forms) causes a lack of ability to sense bitter tastes; the other four alleles produce intermediate to fully sensitive taste abilities.
 * Approximately 75% of people can taste PTC while the remaining 25% cannot.
 * PTC-like chemicals are found in the Brassica family of vegetables, such as cabbage, brussels sprouts, and broccoli. People who can taste PTC often do not enjoy eating these vegetables, since they taste bitter to them. Non-tasters tend not to notice bitter tastes and therefore may be more likely to become addicted to nicotine (which is bitter).
 * PTC-tasting ability has also provided information related to human evolution. Populations in Sub-Sahara Africa, and people who are descended from this area, contain at least five forms of the gene. Some of these forms confer a PTC-tasting ability that is intermediate between taster and non-taster. However, with only a few exceptions, only two forms – taster and non-taster – are found in populations outside of Africa and their descendents. This is consistent with the out-of-Africa hypothesis of modern human origins.
 * Some scientists think that tasters have fewer cavities, suggesting that there might be a substance in the saliva of tasters that inhibits the bacteria that cause cavities to form. Others think that PTC tasting may be in some way connected with thyroid function.
 * === **PTC tasting was a chance discovery in 1931.** ===

Female – 50% Male – 50% Straight thumb – 75% Hitchhiker’s thumb – 25% Can roll tongue – 70% Can not roll tongue – 30% Right handed – 93% Left handed – 7% Left thumb on top – 55% Right thumb on top – 44% No preference – 1% Normal females – almost 100% Colorblind females – less than 1% Normal males – 92% Colorblind males – 8%
 * Table 1: Frequencies of traits in the general population* **
 * Trait Frequencies **
 * // Gender //**
 * // Thumb extension //**
 * // Tongue rolling //**
 * // Handedness //**
 * // Hand clasping //**
 * // Color vision //**

=All About MENDEL=

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 * Gregor Mendel**

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 * How Mendel's pea plants help us understand genetics**

Gregor Mendel Rap media type="youtube" key="EvR_Sdm1orU" height="315" width="420"

Explaining GENOTYPE and PHENOTYPE

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Parts of a Flower
[|Parts of a Flower]

=//**PUNNETT SQUARES**//= Mendel and Punnet Squares <span style="background-color: transparent !important; background-position: initial initial !important; background-repeat: initial initial !important; border: none !important; display: inline-block !important; float: none !important; font-weight: bold !important; height: auto !important; margin: 0px !important; min-height: 0px !important; min-width: 0px !important; padding: 0px !important; text-decoration: underline !important; text-indent: 0px !important; text-transform: uppercase !important; vertical-align: baseline !important; width: auto !important;"> POINTS AVAILABLE- can you find the errors in this video media type="custom" key="21560808" More about PUNNETT SQUARES!! media type="youtube" key="Y1PCwxUDTl8" width="420" height="315"

INCOMPLETE and CODOMINANCE media type="youtube" key="NR3779ef9yQ" width="560" height="315"

**Check out this link! TONS of resources for Punnett Squares and Genetics!**
[|Punnett Squares- Blendspace]

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 * Mr.Parr- Mendel and Meiosis**

Introduction to Genetics media type="youtube" key="B_PQ8qYtUL0" width="560" height="315"

Genes,DNA and Chromosomes media type="youtube" key="V9BZ3zx8b8I?rel=0" height="315" width="420"

What are genes? media type="youtube" key="eOvMNOMRRm8?rel=0" height="315" width="420"

Where do your genes come from? media type="youtube" key="lJzZ7p-47P8?rel=0" height="315" width="420"

[|Tour of Heredity]

Gamers would like this video about Genetics! media type="youtube" key="hpSs0BD_R7I" width="560" height="315"

Breed a Dog [|Dog Breeding Game]

= CELL DIVISION = =Mitosis= Amoeba Sisters: Mitosis media type="youtube" key="f-ldPgEfAHI" width="560" height="315"

Mitosis media type="youtube" key="C6hn3sA0ip0" width="420" height="315"

media type="youtube" key="IlV9hExXZnM" width="420" height="315" Another Mitosis RAP! media type="youtube" key="pOsAbTi9tHw" width="560" height="315"

Check out this video found by a student!! MITOSIS/MEIOSIS- Spongebob media type="youtube" key="9nsRufogdoI" width="560" height="315"

Meiosis
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Meiosis meg information media type="custom" key="27257510"

[|Meiosis powerpoint] [|How Cells Divide- Meiosis] [|How meiosis works] [|Meiosis and Mitosis comparision]

=**PEDIGREES**= media type="youtube" key="Wuk0W10EveU" width="560" height="315"

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