Which type(s) of chromosomal aberrations is/are likely to cause semisterility? Select all correct answers. A.)reciprocal translocations B.)deletions C.)inversions D.) duplications

3. An inversion heterozygote has the following inverted chromosome: Centromere )))))))))))) A B JI HGF ED CKLM Inverted region What would be the products if a crossover occurred between the genes F and E on the inverted chromosome and the normal chromosome?

1) transposons are highly conserved DNA sequences that induce homologous recombination (true or false ) 2)Okazaki fragments are small pieces of RNA synthesized on the lagging strand during transcription (true or false) 3)homologous recombination is a eukaryotic chromatin exchange mechanism that is active during meiosis (true or false)

No need to explain 1.) The phenomenon in which gene present on the same chromosome remain together as gametes are produced is knows as A.) non-disjunction B.) cross-over C.) synapsis D.) linkage 2.) Queen Victoria was a carrier of hemophilia, but there is no record of the disease in any of her ancestors. It is reasonable to suggest that she became a carrier of hemophilia as a result of A.) recombination B.) a mutation C.) inbreeding D.) crossing over 3.) How many primary spermatocytes and primary Oo Yates are required to produced 100 sperm and 100 eggs? A.) 25 primary spermatocytes and 25 primary oocytes B.) 100 primary spermatocytes and 100 primary oocytes C.) 25 primary spermatocytes and 100 primary oocytes D.) 100 primary spermatocytes and 25 primary oocytes