All Questions
6 questions
0
votes
1
answer
86
views
Gene Mapping - Please explain in Lay terms
Taking an AP bio course, and for some reason I cannot comprehend the mechanism of how one determines the location of alleles on a chromosome. The math is simple and I can memorize it, but its bugging ...
0
votes
1
answer
200
views
Could someone explain how chromosomes are counted here?
I'm not sure how chromosomes are counted in this picture. I would reason that there would be 8 chromosomes in the diploid cell, but that doesn't seem to be the case. Could someone explain?
- 21
1
vote
1
answer
189
views
How is it determined whether a chromosome is maternal or paternal for imprinting?
For imprinting, how does the cell determine which chromosome is maternal and which is paternal? For example, in the parental imprinting of insulin-like growth factor 2 (Igf2) on chr7 (autosome), how ...
1
vote
1
answer
2k
views
Genotypes of gametes produced by an F1 individual?
I have an urgent question as I have an exam tomorrow. I was skimming some past exam papers and one question came up which has me completely confused.
A cross was made between a pure breeding diploid ...
- 11
0
votes
1
answer
90
views
Do we come to know which allele is dominant by seeing family genration tree only?
I know that a Gene has Alleles (variation) and one is Dominant over Other i.e the Other Recessive.
Then I got a Thought that How can we tell whether an Allele is Dominant or Recessive...... and I came ...
- 109
0
votes
2
answers
312
views
Why does meiotic recombination disrupt the independent assortment of genes on the same chromosome?
There are many sources that say that genes that are "linked" by being on the same chromosome assort with each other -- that when an allele is passed on that the gamete containing said allele will also ...
- 188