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A dwarf pea plant was treated with gibberellic acid. It grew as tall as the pure tall pea plant. If this treated plant is crossed with a pure tall plant, then the phenotypic ratio of F2 is likely to be

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Important Questions on Genetics

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NEET / EAMCET Biology Crash Course>Chapter 16 - Genetics>EXERCISE>Q 57
Imagine that in the pea plants the factors for controlling seed coat colour and shape of seeds are present on the same chromosome very close together. Performing dihybrid experiments with these characters, Mendel would not have been able to arrive at the idea to
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NEET / EAMCET Biology Crash Course>Chapter 16 - Genetics>EXERCISE>Q 58
When two genes are situated very close to each other in a chromosome
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NEET / EAMCET Biology Crash Course>Chapter 16 - Genetics>EXERCISE>Q 59
The base sequence for a nucleic acid segment is given as GAG, AGG, GGA, CCA. From this it can definitely be concluded that it is a segment of a
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NEET / EAMCET Biology Crash Course>Chapter 16 - Genetics>EXERCISE>Q 60
A DNA strand is directly involved in the synthesis of all the following except:
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NEET / EAMCET Biology Crash Course>Chapter 16 - Genetics>Previous EAMCET Questions>Q 1

Study the following lists:

  List-I   List-II
A RNAi I Cotton bollworms
B ELISA II Early detection of HIV
C PCR III Meloidogyne resistance
D Cry I Ab IV Antigen-Antibody interaction
    V Corn borer

The correct match is:

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NEET / EAMCET Biology Crash Course>Chapter 16 - Genetics>Previous EAMCET Questions>Q 2

Study the following lists. The correct match is

  List-I   List-II
A Exon I Site for binding of RNA polymerase
B Capping II Coding sequence
C Tailing III Lagging strand
D Promoter IV Methyl guanosine triphosphate
    V Adenylate residues
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NEET / EAMCET Biology Crash Course>Chapter 16 - Genetics>Previous EAMCET Questions>Q 3
If the codon GGU is reversed, the resulting codon will code for this amino acid
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NEET / EAMCET Biology Crash Course>Chapter 16 - Genetics>Previous EAMCET Questions>Q 4
In a given planrt, Tall (T) is completely dominant over dwarf (t), and Red flower colour (R) is incompletely dominant over white, the heterozygote being pink. The plant having a genotype of Tt Rr is self-pollinated. What would be the proportion of plants with dwarf and pink characters in their progeny?