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assume that two transcription factors are required for expression of the blue pigmentation genes in pansies. (without the pigment, the flowers are white.) what phenotypic ratios would you expect from crossing strains heterozygous for wild-type and recessive amorphic alleles for each of the genes encoding these transcription factors?

Respuesta :

1. If both transcription factors are required for expression (complementary gene action),

only the A-B- genotype will produce blue flowers. Diagram the cross: Aa Bb× Aa Bb→

9/16 A-B- (blue) : 3/16A-bb (white) : 3/16aa B- (white) : 1/16 aa bb(white)

= 9/16 blue : 7/16 white flowered plants.

Transcription is the manner of copying a phase of DNA into RNA. The segments of DNA transcribed into RNA molecules which could encode proteins are stated to provide messenger RNA. Different segments of DNA are copied into RNA molecules known as non-coding RNAs. mRNA comprises simplest 1-three% of overall RNA samples.

Transcription is the method wherein a gene's DNA sequence is copied (transcribed) to make an RNA molecule. RNA polymerase is the primary transcription enzyme. Transcription starts whilst RNA polymerase binds to a promoter collection near the beginning of a gene (directly or thru helper proteins).

Learn more about Transcription here:-https://brainly.com/question/1048150

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