Biology, 06.10.2019 04:10 ZacherySpeaks170
The human genome, whose sequencing was completed in the early 2000s, contains a surprisingly small number of genes (20-25,000). what best explains the variation in the number of b and t cell receptors (more than a million combinations) found in white blood cells within an individual?
a) frequent transposable element transfer
b) high rates of crossover during prophase i
c) high levels of mutations within the genome
d) differential intron removal and rejoining exons
Answers: 2
Biology, 22.06.2019 10:30
19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase
Answers: 2
The human genome, whose sequencing was completed in the early 2000s, contains a surprisingly small n...
Computers and Technology, 28.12.2019 03:31