All Questions
Tagged with chromosome homework
13 questions
2
votes
0
answers
208
views
My understanding of chromosomes and the processes related to them is lacking [closed]
I'm sorry for the incredibly simple question, I just can't seem to find any answers elsewhere online.
I am a high school student currently studying for the upcoming AP biology exam, and recently I ...
- 29
-1
votes
2
answers
13k
views
Unsure about definition of "n" and "C" values in mitosis
I am preparing for a Biology exam and I'm reviewing the "n" and "C" notation used in mitosis.
My professor said that when the cell replicates its DNA in S phase of mitosis, we get twice the "amount" (...
- 119
0
votes
1
answer
433
views
How many allele for one gene are found inside our cell? [closed]
I know it depends on phase. So i am talking of -
1) in human (diploid organism) with cells before prophase (before replication, when 23 pair of homologous chromosomes are present ). I think answer is ...
- 165
2
votes
1
answer
87
views
Chromosome related problems.
1.) How many versions (alleles) of a gene can we carry if every chromosome is in pair?
2) What happens during the gamete formation (meiosis) ? Do the gene pairs stay together?
3) What happens then ...
- 165
0
votes
0
answers
101
views
Calculating gene separation -a genetics problem
I am really struggling with genetics. In particular, I have the following question
Now I am OK with calculating the separation of genes in centrimorgans when I have data like so:
But in the first ...
- 2,969
1
vote
1
answer
1k
views
Sister chromatids during meiosis
Sister chromatids
$A)$ Cross over during prophase I of meiosis
$B)$ separate during the first mitotic division
$C)$ are produced during $S$ phase between cell divisions
$D)$ cross ...
- 299
-2
votes
1
answer
110
views
What are the significances of chromosome mapping? [closed]
The few point that I have come across are:
The following are the significances of chromosome mapping:
Chromosome maps help identify the location of gene of interest on a chromosome for genetic ...
- 8,798
4
votes
1
answer
1k
views
What is a holocentric chromosome?
I was doing this question that asked: "How many centromeres does a typical chromosome have?"
I thought one and the answer was:"One, except for holocentric chromosomes."
So then what are "...
- 195
5
votes
1
answer
60k
views
Chromosome and chromatid numbers during cell cycle phases
A diploid cell in G1 has 6 chromosomes. How many chromosomes and how many chromatids are present in each of the following stages?
Here is what I am guessing
G1: 6 chromosomes ; 6 chromatids
G2: 6 ...
- 95
2
votes
2
answers
313
views
Maintaining purebred pedigrees and how to lessen chance of getting disease?
Many breeds of dogs are known for a high incidence of genetic disorders. German shepherd and Saint Bernard dogs are predisposed to developing a crippling condition called hip dysplasia.
Q: What ...
- 65
2
votes
2
answers
1k
views
Question about Autosomal Recessive Alleles
I had a homework question that I could not figure out.
It states:
A woman has cystic fibrosis in her family and did not want to have a
child that suffered from the disease. She and her spouse ...
- 65
3
votes
1
answer
5k
views
recombination frequency problem
Three loci C, D and E are located on the same chromosome in this
order. We found that the frequency of recombinants between C and D is
10% and that between D and E it is 20%. Assuming that ...
- 8,621
2
votes
1
answer
1k
views
What is the structure and function of chromosomes during interphase?
Ok, it seems to be easy but I have probably ignored something by accident.
Interphase is the phase where things are growing and the preparation for cell division happens. Its stages G1, S and G2. DNA ...
- 5,169