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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Two genes ‘A’ and ‘B’ are linked. In a dihybrid cross involving these two genes, the F1 heterozygote is crossed with homozygous recessive parental type (aa bb).

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प्रश्न

Two genes ‘A’ and ‘B’ are linked. In a dihybrid cross involving these two genes, the F1 heterozygote is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation?

विकल्प

  • 1 : 1 : 1: 1

  • 9 : 3 : 3 : 1

  • 3 : 1

  • 1 : 1

MCQ
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उत्तर

1 : 1

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Principle of Inheritance and Variation - MULTIPLE CHOICE QUESTIONS [पृष्ठ ३२]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
अध्याय 5 Principle of Inheritance and Variation
MULTIPLE CHOICE QUESTIONS | Q 16. | पृष्ठ ३२

संबंधित प्रश्न

Two heterozygous parents are crossed. If the two loci are linked, what would be the distribution of phenotypic features in the F1 generation for a dihybrid cross?


Explain dihybrid cross.

What is a dihybrid cross? How did Mendel perform this cross?


Multiple Choice Question

When two individuals differing in at least one character are crossed, the process is known as:


The physical expression of a gene is called ______.


The genotype of a plant showing the dominant phenotype can be determined by


Select the correct statement from the ones given below with respect to dihydrid cross


Among the following characters which one was not considered by Mendel in his experimentation pea?


Explain the law of dominance in a monohybrid cross.


Findings of Gregor Mendel were rediscovered by the following scientists EXCEPT for ______


In a dihybrid cross AABB x aabb, F2 progeny of AABB, AABb, AaBB and AaBb occurs in the ratio of ______.


Given below is a dihybrid cross performed on Drosophila.

Which of the following conclusions can be drawn on the basis of this cross? When yellow bodied (y), white-eyed (w) Drosophila females were hybridized with brown bodied (y+), red-eyed males (w+) and F1 progenies were intercrossed, F2 generation would have shown the following ratio:


From the list given below, select the character which can be acquired but not inherited


How is the sex of a newborn determined in humans?


Sahil performed an experiment to study the inheritance pattern of genes. He crossed tall pea plants (TT) with short pea plants (tt) and obtained all tall plants in F1 generation.

Give a reason why only tall plants are observed in F1 progeny.


Sahil performed an experiment to study the inheritance pattern of genes. He crossed tall pea plants (TT) with short pea plants (tt) and obtained all tall plants in F1 generation.

When F1 plants were cross-pollinated with plants having tt genes, a total of 800 plants were produced. How many of these would be tall, medium height or short plants? Give the genotype of F2 generation.


Which plant species did Mendel primarily use in his hereditary experiments from 1856 to 1863?


Which aspect of Mendel's work was particularly difficult for the scientific community to accept during his lifetime?


What does Mendel's approach to counting and analyzing offspring demonstrate about the scientific method?


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