Q241
Open questionThe sequences between the last coding triplet and the termination signal are called the
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Biology GK · all questionsGentics and Evoloution
Gentics and Evoloution
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Q242
Open questionMost of the dioecious plants exhibit
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Q243
Open questionThe cultures arising from the disorganised proliferation of cells from segments of plant organs are called as
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Q244
Open questionIn which of the following periods the first traces of Angiosperms are available?
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Q245
Open questionPrimula kewensis is an allotetraploid formed by a cross between
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Q246
Open questionIf the dominant alleles of the two or more pairs of linked genes are present on one chromosome and their recessive alleles of all of them on the other homologue, this arrangement is known as
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Q247
Open questionClassical example of point mutation is
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Q248
Open questionThe insect hormones needed for the development of the young ones to the adult stage is known as
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Q249
Open questionIn which of the following period, the flowering plant, i.e., angiosperm appeared for the first time?
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Q250
Open questionAll the progenies of a single plant obtained vegetatively are known as
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Q251
Open questionWhich of the following statements are correct about Homo erectus?
1. Had a large brain around 900cc.
2. Appeared about 1.5 million years ago.
3. Ate meat, i.e; omnivorous.
4. Evolved from Homo habilis.
Choose the correct option.
1. Had a large brain around 900cc.
2. Appeared about 1.5 million years ago.
3. Ate meat, i.e; omnivorous.
4. Evolved from Homo habilis.
Choose the correct option.
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Q252
Open questionIf the haploid chromosome complement of Raphanus is represented by R, and that of Brassica by B, then the chromosome complement of the F2 tetraploid will be
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Q253
Open questionThe structural genes transcribe mRNA and synthesize enzymes called
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Q254
Open questionWho among the following condemned the special creation theory by saying that earth has not always been inhabited by the plants and animals as we know now?
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Q255
Open questionThe starting material for larger 55 Kb artificial yeast chromosomes was
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Q256
Open questionA cross between homozygous recessive and heterozygous plant is
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Q257
Open questionWhich of the following experiments suggests that the simplest-living organisms could not have originated spontaneously from non-living matter?
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Q258
Open questionThe transposable elements that may be used as vectors for gene-cloning are the
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Q259
Open questionWhich of the following actions takes place during regulation of protein synthesis when the corepressor is present?
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Q260
Open questionA pair of genes representing the two alternatives of the same character and located at the same locus in the homologous chromosomes are known as
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