Module 9B - Hybridation Flashcards

1
Q

facteurs influencant la fréquence d’hybridation intersp.?

A
  • isolement reporducteur
  • temps de divergence entre sp.
  • différences dûes aux taxons
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

conséquences de l’hybridation?

A
  • spéciation hybride
  • essaim hybride stable
  • zone hybride stable
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

conséquence essaim hybride stable?

A
  • radiation adaptative OU

- extinction génétique des lignées

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

conséquence zone hybride stable?

A

introgression adaptative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

comment détecter hybrides?

A
  • génotyper sp. parents et potentiels hybrides
  • caract. fréq allélique
  • diagnostiquer les hybrides (locus diff. entre sp. parents(
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

qu’est-ce qui influence l’incompatibilité selon les taxons?

A
  • chr. sexuels X ou Z plus grands
  • repro. sexué ou mixte
  • biais: sp. flamboyante plus facile a Id. hybrides
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

ex. radiation adaptative?

A

pinsons de darwin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

submersion démographique=?

A

extinction lignées parentales

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

submersion génétique=?

A

extinction génotype purs (pas allèles)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

ex. introgression adaptative?

A

introgression allèles Néanderthal chez homo sapiens

couleur peau et cheveux européens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly