Define the term crossing over
Define the term crossing over? In what period of meiosis does this event take place?
Expert
Crossing over is the eventual exchange of the chromosomal fragments among homologous chromosomes. The phenomenon takes place in prophase I whenever homologous chromosomes are paired. Crossing over is of huge importance for biodiversity and evolution and as it gives recombination of alleles (that is, of various genes) linked in similar chromosome throughout cell division by meiosis.
How nervous tissue distributed in cnidarians?
Provide an illustration for electrophilic substitution reaction?
Technology Rightsizing: It is an informal selection a computer configuration suitable to an organization's present and future needs within the life span of a system.
It has become one of the most commonly used means of oral communication. It is used to place and take orders, to exchange urgently needed information, to make appointments, to establish valuable business contacts, and numerous other things. Advantages of the telephone
Explain the main divisions of the hypophysis and their functions?
Why can be genetic code be qualified as a degenerate code?
Briefly discrive the uses and ill effect of microorganism in the food industry
Explain the endocrine functions of placenta?
Explain, how the male gametes go through the egg cell? How the female gametes guard itself from entry of more gametes after the first sperm cell?
Give a brief explanation of immuno suppression.
18,76,764
1944029 Asked
3,689
Active Tutors
1429454
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!