When homologous chromosomes crossover, what occurs?
a) two chromatids get tangled, resulting...
When homologous chromosomes crossover, what occurs?
a) two chromatids get tangled, resulting in one re-sequencing its dna.
b) two sister chromatids exchange identical pieces of dna.
c) specific proteins break the two strands and re-join them with their homologs.
d) each of the four dna strands of a tetrad is broken and the pieces are mixed.
e) maternal alleles are "corrected" to be like paternal alleles and vice versa.
Answers: 1
Biology, 21.06.2019 14:20
Aseries of connections of food chain in an ecosystem is called a what
Answers: 1
Biology, 21.06.2019 19:30
Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.
Answers: 2
Biology, 22.06.2019 09:00
To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a
Answers: 1
Social Studies, 08.07.2021 15:30