46 votes
Accepted

How should a time traveler be careful if they decide to stay and make a family in the past?

Not at all. The problem with inbreeding is that "bad" recessives might combine. By adding several hundred generations in between, the risk of that is exceedingly small. No larger, really, ...
o.m.'s user avatar
  • 114k
27 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

The Social Rule Alone is Insufficient Social rules are memes (in the original since of the word). They are ideas that spread because they prove some kind of selective fitness for the society that ...
Nosajimiki's user avatar
  • 90.3k
18 votes

How should a time traveler be careful if they decide to stay and make a family in the past?

I voted for @O.M.'s answer and you should to. I only have an idea that builds on what @O.M. said. This is an opportunity to do cool things that you can use in your story Here we're treading the line ...
JBH's user avatar
  • 120k
10 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

This is a... Dun Dun Dun!!!! Frame Challenge The young men of the community consider a new mother who has had a baby this way to be a more desirable partner than a childless/virgin/barren woman. I ...
TheDemonLord's user avatar
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8 votes

How should a time traveler be careful if they decide to stay and make a family in the past?

I would add another factor that wasn't addressed in other answers : Her partner's gene pool might never have made it to present times anyway. There have been many wars, illness, accidents etc... that ...
Mickaël C. Guimarães's user avatar
6 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

Give the young men a great dread of childless women for fear they will prove barren. Make having children of great importance. Perhaps even have young men told that if they marry a woman who already ...
Mary's user avatar
  • 28.3k
6 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

There are some problems It would be much more likely that any children born from an outsider coupling would be more desirable, not necessarily the mother who made that coupling. As any subsequent ...
Mathaddict's user avatar
  • 13.9k
4 votes

How should a time traveler be careful if they decide to stay and make a family in the past?

No significant danger Populations have moved so much in 5000 years due to war, colonisation, migration etc,. that it's highly unlikely there is any risk. Locale might make a difference in rare cases. ...
Kilisi's user avatar
  • 26.2k
4 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

Polyarmory and promiscuity makes inbreeding worse Being with multiple people tends to mean more uncertainty over parenthood. This often leads to worse inbreeding Women who sought out outsiders to ...
Nepene Nep's user avatar
  • 37.6k
3 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

Historically, children are economically valuable. In the modern world, children contribute little or nothing to the households they are part of and a primarily a burden on their parents - they require ...
Jack Aidley's user avatar
  • 7,427
3 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

It has been so in the past that young widows in Europe had little problems to find a new husband, who could also already have children. This not only because they often had a better financial position ...
Willeke's user avatar
  • 755
3 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

A few things spring to mind: pregnancy is proof of fertility, which avoids a certain amount of gambling away your best years. outside genes bring the possibility of stronger, healthier offspring, ...
Starfish Prime's user avatar
2 votes

How should a time traveler be careful if they decide to stay and make a family in the past?

The protagonist Sarah should not have to worry about inbreeding affecting her children. According to the answer of fraxinus a parent and child share 50 percent of their genes, and a grandparent and ...
M. A. Golding's user avatar
2 votes

How should a time traveler be careful if they decide to stay and make a family in the past?

Inbreeding is not all that bad, at least not in the biological sense. Yes, one might hit a recessive deleterious gene, but this is rare and is rather balanced with the risk of letting the broken gene ...
fraxinus's user avatar
  • 6,467
2 votes

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

Yes, it is perfectly plausible, especially if the community lives in a harsh or otherwise inaccessible environment like a desert or a tundra. In fact I vaguely recall that the Inuit did have a similar ...
ihaveideas's user avatar
  • 3,868
1 vote

Is genetic diversity a plausible reason for women to be more desired by men for marriage if they are already mothers than if they are childless?

In Greek mythology, single mothers seem to have had less difficulty marrying if the father was a deity. For example, Tyndareus doesn't appear to have had a problem with Zeus having fathered some of ...
Simon Crase's user avatar

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