Developmental stability and canalization of limb bones of brown hares Lepus europaeus with varying levels of heterozygosity

• Autorzy: Sert H. , Suchentrunk F. , Ludescher B. , Hacklander K.
• Języki publikacji: EN

Abstrakty

EN

We have studied fluctuating asymmetry (FA), as indicator of developmental stability, and between-individual variation, as surrogate of developmental canalization (DC), in long bones (humerus, ulna, radius, femur, tibia) of 72 wild-living adult-sized brown haresLepus europaeus Pallas, 1778 with variable individual heterozygosity (H).H was calculated from 13 polymorphic allozyme loci. According to the “over-dominance hypothesis”, we expected increased developmental stability and canalization at higherH-levels. But at the individual level we did not find any significant correlation between overall FA (FAI) andH. Also, standard deviations (SD) of mean length (over both body sides) of bones did not differ between individuals from two intentionally created groups of hares, namely one with high and one with lowH. FA-indices and variances of FA-indices of bone lengths did not differ significantly when compared between two intentionally created groups of hares with high and low SD of bone lengths, respectively. These latter findings suggest that developmental stability and DC are two separate or partly separate mechanisms of developmental homeostasis in the studied appendicular skeleton, and thatH has no traceable effect on develop-mental homeostasis. If there is still such an effect, it should be clearly smaller than a possibly combined effect of (presently uncontrolled) environmental stressors.

Słowa kluczowe

EN

brown hare; limb bone; Lepus europaeus; developmental homeostasis; long bone; heterozygosity; hare

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 2005
• Tom: 50
• Numer: 2
• Opis fizyczny: p.213-226,fig.,ref.

Twórcy

autor

Sert H.

• Akdeniz Universitesi, 07058 Kampus, Antalya, Turkey

autor

Suchentrunk F.

autor

Ludescher B.

autor

Hacklander K.

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