与 «HORNLESSNESS»相关的英语书籍
在以下的参考文献中发现
hornlessness的用法。与
hornlessness相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
A Bouquet of Archaeozoological Studies: Essays in Honour of ...
We can therefore conclude that hornlessness is a typical phenomenon of the
Roman period that no longer occurred in the Middle Ages — at least not in the
High and Late Middle Ages, and not on a scale that can be proven by
archaeological ...
D. C. M. Raemaekers, E. Esser, Roel C. G M. Lauwerier, 2012
2
Doklady: Biological sciences
The low frequency of this gene is reflected in the expected number of
homozygous hornless animals shown in Table 2. It can be seen that two
homozygotes for hornlessness cannot be expected simultaneously in any of the
herds. Their total ...
Akademii͡a︡ nauk SSSR., 1984
3
Developmental Plasticity and Evolution
The switch between hornlessness and horn production occurs at about 5.O mm (
trianglel, (b) Switchpoint-indicator plot. Residuals are measured as shown in
figure 5.22 (top). The range of deviations from the mean is much greater near the
...
Mary Jane West-Eberhard, 2003
David Mackenzie. Fig. 16 Hornlessness and the intersex condition (b) Safe
matings. Fig. 16 Hornlessness and the intersex condition (c) Risky matings.
5
Domestication: The Decline of Environmental Appreciation
The extremes are represented by the giant horns of some East African cattle and
by hornlessness. Hornlessness is also one of the possibilities in sheep and goats
. In addition to the flat spiral type, which is considered to be the original shape, ...
6
A Perfect Harmony: The Intertwining Lives of Animals and ...
Another feature that came before our version of woolly and essentially white
animals was hornlessness, a characteristic that goes back ninety- five hundred
years at least. It was probably the result of an effort by man to evolve animals that
were ...
7
The Outline of Science, Second Volume
Thus a short tail in cats is dominant (somewhat imperfectly) to the ordinary tail;
the appearance of extra toes in poultry is dominant to the presence of the normal
four toes ; hornlessness in cattle is dominant to the presence of horns. Among the
...
Warwick and Dunkle (1939) have suggested that in order to be in line with later
work Wood's data could well be interpreted as hornlessness being dominant in
both sexes, dominance being incomplete in the male. In a study of horns in the ...
9
A History of British Livestock Husbandry, 1700-1900
A polled strain could be multiplied rapidly, hornlessness being a dominant
characteristic? The 'black cattle' of the eighteenth century were, moreover, dual-
purpose animals, giving both beef and milk; or, more properly, triple-purpose if
their ...
10
The journal of heredity
Source of Data and Analysis A registered polled Rambouillet ram, TLD 590.
purchased by the Texas Agricultural Experiment Station for experiment in a study
of the inheritance of hornlessness, proved to be homozygous for the dominant
gene ...
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Is Fatty Beef Good for You? New Study Says Yes
Many big companies are now asking the dairy industry to move toward breeding in hornlessness, and some even stating they will preferentially ... «Science Times, 三月 15»
Hornless cattle make case for gene editing and less restrictive …
Hornlessness is produced by insertion of genes from other cattle breeds that are naturally hornless. “We're talking about genes that already ... «Genetic Literacy Project, 九月 14»
Vanishing beetle horns have surprise function
The hornlessness of some adult beetles is therefore not the result of an inability to make horns, Moczek says, but the reshaping or reabsorption ... «EurekAlert, 十二月 06»
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... how hard it was to write that last paragraph without making any cheap, salacious gags about humps, hornlessness or camel toes. As they ... «The Age, 五月 04»
