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Transcription is the first step in transmitting genetic information. Transcription flows in the direction?
Genes are certain segments of the DNA molecule and occupy a specific place on the chromosome. What is calculated to be the average size of the gene?
In intermediary inheritance, if the plant with the red flower (A1 A1) is crossed with the plant with the white flower (A2 A2), will the offspring be?
In which of the following human chromosomes is the gene for the MN system of blood groups located? 1) Chromosome 9 2) Chromosome 2 3) Chromosome 4 4) Chromosome 1
At which stage of mitosis chromosome despiralization takes place?
If the mother is affected (sick) by a certain disease and has a heterozygous genotype and the father is normal, this disease is transmitted to half of boys and half of girls. In this case it is about?
the deletion of which chromosome causes obvious morphological and mental defects in the organism, such as microcephaly, strabismus, major mental retardation and is known as the 'cri-du-chat' syndrome?
Which of these triplets represents the meaningless codon, illegible or final and do not carry information about any amino acid? 1) UGA 2) UAC 3)UCA 4) UUA
Who enables the breaking of hydrogen bonds between polynucleotide chains and the opening of the double-stranded DNA helix?

Phenotypic changes caused by the action of altered external factors of the external environment, that are not inherited, are marked as?


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