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- What would be the genotype of a heterozygous plant?A plant with a genotype MmNN is self-fertilized. What is the genotypic ratio of the offspring?Use the following information about pea plants: S = spherical seeds; s = wrinkled seeds Y = yellow seeds; y = green seeds P = purple flowers; p = white flowers I = inflated pods; i = constricted pods Write the possible genotypes for the following conditions: Heterozygous for spherical seeds Homozygous for wrinkled seeds Homozygous for spherical seeds and heterozygous for flower color
- A parent pea plant with the genotype Ttrr produces offspring in which half are tal and round and half are short and round. What’s the genotype of the other parent?A male plant with genotype AaBBCcDdee was crossed with one heterozygous for all thegenes. (a) what is the probability of getting a pollen with ABcDe genes? (b) of producing anovum with three dominant and two recessive genes? (c) of getting a progeny with samephenotype as the female parent? (d) of progeny with exactly same genotype as the femaleparent? (e) If instead of the above male, the cross was with one heterozygous for all thegenes, what proportion of the offspring will have three dominant phenotypic traits. (f) willbe genotypically like the parents?If a pea plant with the genotype YyRr is self-fertilized, what is the probability of obtaining offspring that are heterozygous for seed color and homozygous dominant for seed shape.
- Assume that the genes for seed color and seed shape are located on the same chromosome. A plant heterozygous for both genes is testcrossed wrinkled green with the following results: green, wrinkled 645 green, round 36 yellow, wrinkled 29 yellow, round 590 What were the genotypes of the parents, and how far apart are these genes?Assign symbols for the alleles in this cross and give genotypes for all the individual plants.if a plant is an auto-tetraploid with the genotype A1A1A2A2, what is the frequenct of offspring with the genotype A1A1A1A1 following self-fertilization of the plant
- Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?If the tobacco plant parents are both heterozygous for color, what are the possible genotypes and phenotypes of their offspring? Complete the Punnett square below. What is the expected phenotypic ratio?A snapdragon with pink petals, black anthers, and longstems was allowed to self-fertilize. From the resultingseeds, 650 adult plants were obtained. The phenotypesof these offspring are listed here.78 red long tan26 red short tan44 red long black15 red short black39 pink long tan13 pink short tan204 pink long black68 pink short black5 white long tan2 white short tan117 white long black39 white short blacka. Using P for one allele and p for the other, indicatehow flower color is inherited.b. What numbers of red : pink : white would havebeen expected among these 650 plants?c. How are anther color and stem length inherited?d. What was the genotype of the original plant?e. Do any of the three genes show independentassortment?f. For any genes that are linked, indicate the arrangements of the alleles on the homologous chromosomes in the original snapdragon, and estimate thedistance between the genes