New answers tagged genetics
3
votes
How many ancestors' DNA do we have per generation?
A paper just came out from Elizabeth Thompson that I think answers this about as well as it's going to get answered. Here is the pertinent section of the abstract that may give you an intuition for ...
- 10.5k
4
votes
Does the hard shell of a chicken egg come from the genetics of the chick or of the mother?
A chicken's reproductive system consists of two parts: the ovary and oviduct.
All of the other parts of the egg are added to the yolk as it passes through the oviduct. The chalazae, albumen, shell ...
- 25.9k
0
votes
Can phenotype change without change in genotype?
DNA methylation: When a methyl group is added to a promoter region of a particular gene, expression of that gene may be suppressed. For example, when two cells have the same genotype, one may exhibit ...
- 1
0
votes
Hardy Weinberg Equilibrium; Homozygous individuals
As per H-W:
a^2 + 2ab + b^2 = 1
where: a + b = 1
We are given:
16 homozygous (A1/A1). So: a^2 = 16/x
24 heterozygous. So: 2ab = 24/x
where x is the total ...
- 101
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