Non -Mendelian Genetics & Pedigrees (NEW)

Master non-Mendelian genetics! Practice codominance, incomplete dominance, and pedigree analysis with our engaging worksheet.

Sort the statements into the correct group: Codominance Heterozygous offspring from purple flower and a white flower parents have purple and white stripes Both traits have equal dominance Heterozygous individual shows a combination of phenotypes Incomplete Dominance Heterozygous offspring from purple flower and a white flower parents have light purple flowers Neither trait is dominant over the other Heterozygous individual shows an intermediate phenotype Complete Dominance Heterozygous individual shows the dominant phenotype Uses a lowercase letter to represent a recessive allele Heterozygous offspring from purple flower and a white flower parents have purple flowers One trait is dominant, one trait is recessive A chicken breeder has chickens that are white, black, or speckled. Speckled chickens have both black and white feathers. The allele for white feathers is (W). The allele for black feathers is (B).Determine the genotypes of the rooster and hen that would breed the greatest percentage of speckled chickens. BW x BW BB x BW BW x WW BB x WW The table gives the genotypes and phenotypes of blood:Which phenotype displays codominant inheritance? O A B AB Sort the genotypes for blood types into homozygous and heterozygous: Homozygous ii IAIA IBIB Heterozygous IAIB IAi IBi Is the trait in the pedigree below a dominant or recessive trait? Dominant Recessive According to the Pedigree above, what is Carla's genotype? Homozygous Dominant Heterozygous Homozygous Recessive According to the Pedigree above, what is George's genotype? Homozygous Dominant Heterozygous Homozygous Recessive Pedigree WORD BANK: affected male, unaffected male, affected female, unaffected female, 1st generation, 2nd generation, 3rdgeneration (not all are used) 1st generation 2nd generation third generation affected female affected male unaffected male Non-Mendeleian genetics examples Non-Mendelian genetics are basically any inheritance patterns that don't follow one or more laws of Mendelian genetics. epistasis refers to the action of one gene upon another gene codominance both genes are expressed (red and white flower) incomplete dominance dominant allele does not dominate the recessive allele entirely; an intermediate trait appears (redxwhite =pink) sex-linked inheritance passed down through families through one of the X or Y chromosomes polygenetic traits phenotype is influenced by more than one gene (skin color, height) mitochondrial inheritance always inherited from the mother. (extranuclear inheritance) Pedigree A In Pedigree A, the condition is most likely (dominant or recessive). Pedigree B Pedigree C In pedigree B, the condition is most likely x linked y linked autosomal In pedigree B, which generation(s)has no affected members? I II III In pedigree C, the condition is most likely x linked y linked autosomal In pedigree C, patient II2 is unaffected affected a carrier fill in the blanks An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent. Each pair of alleles represents the genotype of a specific gene. Genotypes are described as homozygous if there are two identical alleles at a particular locus and as heterozygous if the two alleles differ. Alleles contribute to the organism's phenotype, which is the outward appearance of the organism. Pedigree D Look at Pedigree D. Interpret the chart and evaluate what type of inheritance is most likely affecting the family. Explain your answer using CER (Claim- what do you think, Evidence- what evidence supports your claim, Reasoning- why and how does the evidence support your claim.) To mark a word click its first letter then click its last. TRANSCRIPTION HETEROZYGOUS EXTRANUCLEAR CHROMOSOMES DEOXYRIBOSE TRANSLATION CODOMINANCE NUCLEOTIDE HOMOZYGOUS EPISTASIS RECESSIVE XLINKED HAPLOID DIPLOID MITOSIS CARRIER MEIOSIS ALLELE LOCUS