+ MULTIPLE ALLELE PRESENTED BY: MARIE ELAINE S SEBASTIAN 2. B = BB or BO . Blood type – A = AA or AO. MULTIPLE ALLELES . Multiple Alleles - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Many genes have two alternate forms but several other have more than two alternate forms. O = OO In this presentation. Multiple Alleles Examples: ABO blood groups in humans Coat color in rabbits Genetic polymorphism vs. genetic monomorphism Major histocompatibility complex (HLA in humans) Story of the cheetah B. This resource contains a starter activity which matches the 5 question starter activity on the first slide, but more questions have been added to the 'Who wants to be a millionaire ppt'. ABO blood groups - 3 different alleles (IA, IB, i) - 4 phenotypes (A, B, AB,O) - 6 Genotypes: Type A- IAIA or IAi Multiple alleles - for some traits there are more than two alleles in the species • Single individual cannot have more then two alleles for each trait (1 on each homologous chromosome) • Multiple alleles explains why there are four different blood types (A, B, AB, and O) Multiple Alleles. You will need the Edexcel worksheets for this lesson. GENETICS 2. Multiple Alleles cont. Multiple alleles 1. BLOOD TYPE The gene for blood type has 3 possible alleles. Ex. The video within the lesson is attached. Co-Dominance and Blood-typing, Incomplete Dominance, Genetic Disorders and Karyotyping, Pedigrees and Genetic Inheritance. More than two alleles at the same locus give rise to a multiple allelic series. 3 or more alleles of the same gene that code for a single trait; In humans, blood type is determined by 3 alleles – A, B, and O; BUT each human can only inherit 2 alleles. Allele is a shorter term than allelomorph (another form) is the alternate form of gene. AB = AB. Blood Types in humans. Multiple Alleles, Multiple Genes, and Lethality Multiple Alleles Multiple Genes Lethality A. ... states that alleles (genes) that you receive from your parents sort . In traits with multiple alleles, each individual can carry any two of the several possible alleles. This is a full lesson. Dominant – A and B (codominance) Recessive – O . Multiple Alleles - When three or more alleles control a trait. genetics behind multiple alleles Example. Environmental Influence, Sex-Linked Traits. Multiple Alleles . Multiple alleles can View Multiple Alleles.pptx from MATH MA 366 at V.I.P Commerce College Talagang, Chakwal. SB3i for the Edexcel 9-1 GCSE scheme of work. + MULTIPLE ALLELE Anallele which consists of three (3) or more alleles of the same gene However, individuals within the population are only able to hold two of them It can only be studied in populations 3. 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