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प्रश्न
How many linkage groups are present in Drosophila melanogaster?
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उत्तर
4 linkage groups are present in Drosophila melanogaster.
संबंधित प्रश्न
Name the ‘two’ types of maps generated by H.G.P.
Answer the following question.
Explain linkage and recombination as put forth by T.H. Morgan based on his observations with the Drosophila melanogaster crossing experiment.
Answer the following question.
Name the type of cross that would help to find the genotype of a pea plant bearing violet flowers.
How many linkage groups do occur in human being?
______ results in separation of linkage groups during meiosis.
The genetic map distance between two genes located on the same chromosome can be analyzed by calculating ____________.
Which of the following statement/s are INCORRECT with respect to crossing over?
i. Crossing over produces recombinations of genes by interchanging and exchanging corresponding segments between nonsister chromatids of homologous chromosomes.
ii. Crossing over occurs during zygotene of prophase I of meiosis.
A fruit fly heterozygous for sex-linked genes, is mated with normal female fruit fly. Male specific chromosome will enter egg cell in the proportion ______.
After crossing two plants, the progenies are found to be male sterile. This phenomenon is found to be maternally inherited and is due to some genes which are present in ______.
From a cross AABb x aaBb, the genotypes AaBB : AaBb : Aabb will be obtained in the ratio ______.
