Questions tagged [twins]

Children born from the same pregnancy. Twins can result from either a single zygote (monozygotic, or identical twins) or from two, separately-fertilized egg cells (dizygotic, or fraternal twins).

7 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
9 votes
0 answers
289 views

The village of Twins — Mystery behind and Scope

With the presence of more than 200 twins, Kodinhi , a village situated in Malappuram District in Kerala , India , is popularly known as the "Village of Twins".This phenomenon of large ...
Asmi's user avatar
  • 123
2 votes
0 answers
4k views

Do the eggs of fraternal twins come from the same ovary?

With fraternal twins two matured eggs are released and fusion of the two with sperms result in formation of these fraternal twins. Then do the two matured eggs come from one ovary or both the ovaries ...
Lily Twilight's user avatar
2 votes
0 answers
106 views

How to determine if twins are identical or fraternal if only one is alive?

I had a twin brother who died at birth. I've missed him all my life, and have been curious to know if we were identical or fraternal. Is there a test to determine whether we were identical or ...
user avatar
1 vote
0 answers
72 views

Which disorders are fully concordant?

I work in neuroscience, mostly Alzheimer's disease (AD), with some work in autism spectrum disorder (ASD). The work is in gene regulation and epigenomics. I'm familiar with monozygotic twin (MZ) ...
Bryan's user avatar
  • 161
0 votes
0 answers
169 views

What happens to quality of breast milk when twins of two different sexes are born?

It says here in Scientific American Mother's milk may be the first food, but it is not created equal. In humans and other mammals, researchers have found that milk composition changes depending on ...
Profile name's user avatar
0 votes
0 answers
390 views

Using the law of independent assortment, why can't heterozygous parents make identical twins?

In a case where two parents are heterozygous, why can't any pairs of their children be identical twins? As the question asks, I tried to explain this using the law of independent assortment, which ...
John Liu's user avatar
  • 109
0 votes
0 answers
90 views

Phenotype choice for one of a MZ twin pair in a genetic association study

I was having a discussion with a colleague and this question came up... It is commonplace in molecular genetics studies to only genotype one of a pair of monozygotic twins (and then implicitly impute ...
Joni's user avatar
  • 136