Differentiate between the following: Monohybrid and Dihybrid Solution Show Solution RELATED QUESTIONS Differentiate between the following: Dominance and Recessive Differentiate between the following: Homozygous and Heterozygous Given below are the F 2 – phenotypic ratios of two independently carried monohybrid crosses : (i) 1 : 2 : 1 (ii) 3 : 1 Mention what does each ratio suggest. Explain Mendel’s monohybrid progeny with the help of any one cross. Answer the following question. Write the basis on which Alfred Sturtevant explained gene mapping. What is a monohybrid cross? How did Mendel perform this cross? Name the conditions when both the alleles are identical? A pure tall plant (TT) is crossed with the pure dwarf plant (tt), what would be the F 1 and F 2 generations? Explain. Pure-bred tall pea plants are first crossed with pure-bred dwarf pea plants. The pea plants obtained in the F 1 generation are then selfed to produce F 2 generation of pea plants. What is the ratio of tall plants to dwarf plants in the F 2 generation? Pure-bred tall pea plants are first crossed with pure-bred dwarf pea plants. The pea plants obtained in the F 1 generation are then selfed to produce F 2 generation of pea plants. Which type of plants was missing in the F 1 generation but reappeared in the F 2 generation? Differentiate between inherited and acquired characters. Give one example for each type. When a tall plant with rounded seeds (TTRR) is grossed with a Dwarf plant with wrinkled seeds (ttrr) the F 1 generation consists of tall plants with rounded seeds. How many types of gametes the F 1 plant would produce? A Monohybrid cross is ______ Punnett square is used to know Cross between hybrid and recessive parent: In a monohybrid cross of plants with red and white flowered plants, Mendel got only red-flowered plants. On self-pollinating these F1 plants got both red and white flowered plants in 3:1 ratio. Explain the basis of using RR and rr symbols to represent the genotype of plants of parental generation. In a plant tallness is dominant over dwarfness and red flower is dominant over white. Starting with the parents work out a dihybrid cross. What is standard dihybrid ratio? Do you think the values would deviate if the two genes in question are interacting with each other? Assertion (A): In humans, if gene (B) is responsible for black eyes and gene (b) responsible for brown eyes, then the colour of eyes of the progeny having gene combination Bb, bb or BB will be black only. Reason (R): The black colour of the eyes is a dominant trait. Given below is a schematic representation of the inheritance of the shape of the seeds of garden peas. Answer the questions that follow: Which is the dominant and recessive allele of the trait? What does the ratio 3 : 1 in the F 2 generation represent? State Mendel's Law of Dominance. A monohybrid cross is a genetic cross in which how many pair(s) of contrasting characters is/are studied? Which pair of contrasting characters is studied in the pea plant monohybrid cross? What are the phenotype and genotype of all offspring produced by \[TT \times tt\]? Which gametes are produced by each \[Tt\] plant during selfing in F1? What are the four genotypic outcomes of the cross \[Tt \times Tt\]? Maharashtra State Board Question Bank with Solutions (Official) Balbharati Solutions (Maharashtra) Samacheer Kalvi Solutions (Tamil Nadu) NCERT Solutions RD Sharma Solutions RD Sharma Class 10 Solutions RD Sharma Class 9 Solutions Lakhmir Singh Solutions

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