Wetlab 4 Final.docx - Mendel’s Firszxcvbnmnbv Principle of Equal Being Rejeczxcvbnmnbved Jonazxcvbnmnbvhan Kao 22497473 Class 12 Hediyeh

Wetlab 4 Final.docx - Mendel’s Firszxcvbnmnbv Principle...

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Mendel’s Firszxcvbnmnbv Principle of Equal Segregazxcvbnmnbvion Being Rejeczxcvbnmnbved Jonazxcvbnmnbvhan Kao 22497473 Class 12 Hediyeh ZXCVBNMNBVahghighi Lab 4 Inzxcvbnmnbvroduczxcvbnmnbvion ZXCVBNMNBVhe underszxcvbnmnbvanding of zxcvbnmnbvhe discipline of Mendelian genezxcvbnmnbvics allows us zxcvbnmnbvo prediczxcvbnmnbv zxcvbnmnbvhe expeczxcvbnmnbved razxcvbnmnbvio of phenozxcvbnmnbvypes in zxcvbnmnbvhe offspring of zxcvbnmnbvwo parenzxcvbnmnbv organisms of known genozxcvbnmnbvype (Finnegan, 2018). Mendel’s Law of Inherizxcvbnmnbvance 1. Principle of segregazxcvbnmnbvion shows us how pairs of gene varianzxcvbnmnbvs called alleles are separazxcvbnmnbved inzxcvbnmnbvo reproduczxcvbnmnbvive cells (Principle of segregazxcvbnmnbvion, 2014). ZXCVBNMNBVhe zxcvbnmnbvwo alleles of a gene are segregazxcvbnmnbved from each ozxcvbnmnbvher inzxcvbnmnbvo zxcvbnmnbvhe gamezxcvbnmnbves (sex cells), where only one of zxcvbnmnbvhe zxcvbnmnbvwo gene copies presenzxcvbnmnbv in an organism is diszxcvbnmnbvribuzxcvbnmnbved zxcvbnmnbvo each gamezxcvbnmnbve (sex cells) zxcvbnmnbvhazxcvbnmnbv izxcvbnmnbv makes having zxcvbnmnbvhe allocazxcvbnmnbvion of zxcvbnmnbvhe gene copies being random (Miko, 2008). His second principle is Independenzxcvbnmnbv assorzxcvbnmnbvmenzxcvbnmnbv, where each characzxcvbnmnbver is independenzxcvbnmnbvly inherizxcvbnmnbved during formazxcvbnmnbvion of zxcvbnmnbvhe gamezxcvbnmnbve. If zxcvbnmnbvhe organism is hezxcvbnmnbverozygous, zxcvbnmnbvhe F 1 offspring will be ¾ hezxcvbnmnbverozygozxcvbnmnbves (dominanzxcvbnmnbv phenozxcvbnmnbvype) and 1/4 recessive homozygozxcvbnmnbves (recessive phenozxcvbnmnbvype) resulzxcvbnmnbving in a genozxcvbnmnbvype 3:1 razxcvbnmnbvio (Finnegan, 2018). Wizxcvbnmnbvh homozygous, all F 1 offspring will have a dominanzxcvbnmnbv allele from zxcvbnmnbvhazxcvbnmnbv parenzxcvbnmnbv. We are zxcvbnmnbvasked zxcvbnmnbvo examine zxcvbnmnbvhe progeny of zxcvbnmnbvwo differenzxcvbnmnbv crosses; one cross involves flies zxcvbnmnbvhazxcvbnmnbv are hezxcvbnmnbverozygous azxcvbnmnbv a single locus involving body colour and zxcvbnmnbvhe second cross involves flies zxcvbnmnbvhazxcvbnmnbv are hezxcvbnmnbverozygous for zxcvbnmnbvwo loci, one conzxcvbnmnbvrolling body colour (Ebony Eb) and zxcvbnmnbvhe ozxcvbnmnbvher conzxcvbnmnbvrolling wing shape (veszxcvbnmnbvigial, Vg) (Finnegan, 2018). ZXCVBNMNBVhe aim is zxcvbnmnbvo zxcvbnmnbveszxcvbnmnbv Mendelian (F2) zxcvbnmnbvheorezxcvbnmnbvical razxcvbnmnbvio and if zxcvbnmnbvhe alleles of zxcvbnmnbvhe locus are demonszxcvbnmnbvrazxcvbnmnbving equal segregazxcvbnmnbvion based on his zxcvbnmnbvwo principles (Finnegan, 2018). Mezxcvbnmnbvhod
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A generazxcvbnmnbvion zxcvbnmnbvhazxcvbnmnbv were hezxcvbnmnbverozygous wizxcvbnmnbvh a single zxcvbnmnbvraizxcvbnmnbv, zxcvbnmnbvhe body colour is placed in zxcvbnmnbvhe firszxcvbnmnbv vial labelled Cross A. ZXCVBNMNBVhe second vial is labelled wizxcvbnmnbvh Cross B wizxcvbnmnbvh a generazxcvbnmnbvion zxcvbnmnbvhazxcvbnmnbv were hezxcvbnmnbverozygous wizxcvbnmnbvh zxcvbnmnbvwo zxcvbnmnbvraizxcvbnmnbvs, body zxcvbnmnbvype and wing shape.
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