#Question id: 4920
#Unit 8. Inheritance Biology
In Neurospora, the mutant stp exhibits erratic stop-and start growth. When a female of stp strain is crossed with a normal strain acting as a male, all progeny individuals' showed stp mutant phenotype. However, the reciprocal cross resulted in all normal progeny, individuals. These results can be explained on the basis of
A. Uniparental gene contribution
B. Nuclear inheritance with concept of dominance
C. Sex link character
D. stp mutation may be located in chloroplast DNA
The most appropriate statement or combination of the above statements for explaining the experimental results is:
#Question id: 5553
#Unit 5. Developmental Biology
The notochord is a ___ structure in vertebrate embryos that lies under the ___, and is bordered by ___.
#Question id: 5842
#Unit 8. Inheritance Biology
In homologous recombination in E. coli, the protein that moves along a double-stranded DNA, unwinding the strands ahead of it and degrading them, is:
#Question id: 21253
#Unit 12. Applied Biology
#Question id: 12102
#Unit 10. Ecological Principles
Use the following diagram of Joseph Connell's study of barnacle distribution in Scotland to answer the following two questions
Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?