Related Questions

If a good sampling of sequences is _______ the number of sequences is _________ and the motif structure is ________ it should, in principle, be possible to obtain frequencies highly representative of the same motif in other sequences also.
If the segment of a chromosome is repeated on a non-homologous chromosome, the duplication is said to be a
If two breaks occur in one chromosome, and one in a non-homologous one, the fragment from the first chromosome may become joined in an intercalary position in the second chromosome. This is a case of
A male plant of chromosome pp pollinates the plant having chromosome type PP. The expected chromosome in embryo and endosperm
Consider the following statements with regard to the functions of the centromere in the chromosome.
1. Centromeres are the centres of movement of the chromatids or chromosomes during anaphase separation.
2. Acentric chromosomes lack the capacity to segregate in a regular fashion.
3. Crosing-over in one arm of a metacentric chromosome does not affect the crossing over in the arm of the same chromosome.
Which of the statements given above are correct?
Consider the following statements regarding centromere and choose the correct answer:
1. The position of the centromere is constant for a particular chromosome
2. The structure and function of the centromere are different from that of the rest of the chromosome
3. During division the centromere is functional, while the rest of the chromosome is genetically inactive
4. The position of the centromere varies in different chromosomes
True breeding Drosophila flies with curved wings and dark bodies were mated with true breeding short wings and tan body Drosophila, The F1 progeny was observed to be with curved wings and tan body. The F1 progeny was again allowed to breed and produced flies of the following phenotype, 45 curved wings tan body, 15 short wings tan body, 16 curved wings dark body and, 6 short wings dark body. The mode of inheritance is
Percentage of highly repeated DNA sequences in a genome is __________
If the two sequences share significant similarity, it is extremely ______ that the extensive similarity between the two sequences has been acquired randomly, meaning that the two sequences must have derived from a common evolutionary origin.
Progressive alignment methods use the dynamic programming method to build an MSA starting with the most related sequences and then progressively adding less related sequences or groups of sequences to the initial alignment.