If goats copulate while looking at streaked rods, do you end up with streaked baby goats?

Question

Or are God and Jacob just really bad at genetics?

Gen 30:39 for the curious.

Answer 1

I am just glad it doesn't work like that. We had a stripped bedspread when we conceived our daughter. She would have looked pretty weird with stripes.

Answer 2

Probably the Guy who wrote the book of Genesis was really bad at Genetics.

Still, i think its trying to say that Jacob by taking care of the guys sheep made sure that only the black ones mated (thats how the story goes right, cause he would only get the men's black sheep, i dont remember correctly its been a while siense i read the part you're refering too).

From what i can remember he took the white ones to mate somewhere specific. My guess is that probably caused the sheep to feel agravated stress and not copulate (it can happen).

Guesses aside, the text is unclear. What is clear is that Jacob fooled that man, probably by using artificial selection with his sheep/goats (were they goats or sheep, can't remember).

In his book the Origin of species, in the first chapter, Darwin mention that exact passage as an example of evidence that people had known about artificial selection of domestic animals for thousands of years

Paz de Cristo

Answer 3

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Answer 4

That's an interesting passage. Here's one explanation of it.

Critics... [raise questions] ...about [Jacob's] ...knowledge of science. His actions in peeling white stripes in rods from trees of poplar, hazel, and chestnut (or, perhaps more likely, storax, almond, and plane trees [as rendered in the NIV], and placing them in the cattle watering troughs, have been attacked as showing his belief in the outmoded ideas of prenatal influence. The idea is that Jacob supposed, by making the animals look at striped rods at the time of conception, he could induce them to bring forth striped offspring. The doctrine of prenatal influence is, of course, believed by modern zoologists to be nothing but an old wives' tale.

It should not be overlooked, however, that Jacob was over ninety years old at this time, that he was a very intelligent and [a] careful observer, and that he had spent most of his long life raising and studying cattle, sheep, and goats. He would have been most unlikely to have been taken in by a groundless superstition....

There is a great deal, even today, that scientists have not been able to work out concerning the transmission of hereditary factors. In a certain population, there are multitudes of different characteristics which may appear in different individual animals of that species. The variational potential in the DNA molecular structure is tremendous. Exactly what it is that determines the actual characteristics a particular individual [or animal] may have, out of all the potential characteristics that are theoretically available in the gene pool, is not yet known in any significant degree. It may be that Jacob had learned certain things about these animals which modern biologists have not yet even approached.

There are, indeed, certain factors which can become prenatal influences, and which can determine to some degree the physical characteristics of the progeny. Though it is surely very unlikely that an external image can be transmitted through the visual apparatus to the brain and thence in some way as a signal to the DNA structure to specify certain characteristics to be triggered in the embryo, it is nevertheless true that certain chemicals can and do have a significant prenatal influence if they can reach the embryo or, prior to conception, the DNA in the germ cells. It is possible that certain chemicals in the wood of these trees - peeled rods of which were actually in the water which the flocks came to drink - were capable somehow of affecting the animals. If nothing else, water treated thus may have served as an aphrodisiac and fertility promoter among the cattle [and other animals]. At least one such chemical substance found in these trees has been used for such a purpose in both ancient and modern times.

Further, whether or not the sense of sight can actually 'mark' the embryo in some way, there is no doubt that what one sees may have a strong effect on certain physiologic mechanisms on his body. The phenomenon of blushing, the nauseous reactions produced by viewing gruesome sights, and the effect of pornographic pictures in stimulating the sexual apparatus are typical cases in point. The mere sight of the striped rods may have served simply as an aphrodisiac to the cattle when they came to drink. This in fact seems indicates by verse 38, in which the word translated 'conceive' in the King James Version [in heat, NIV] is actually the Hebrew yacham, meaning to be hot [i.e., to be in heat]. That is, the verse may be read:

'And he set the rods which he peeled before the flocks in the gutters in the watering troughs when the flocks came to drink, that they should become hot [or '''in heat'''] when they came to drink.' In some way not understood (but apparently confirmed by many practical animal raisers since), the sight of white-streaked rods seems to stimulate these animals to sexual activity...

...The bulk of the animals, which were Laban's, were made by Jacob to face toward the separate flock of speckled and spotted lambs, but were kept separate from them. The reason for having them thus oriented is not clear; perhaps it was to make a subconscious impression on them that stripes and speckles were a mark of distinction in the flock, so as to make preparations for and augment the aphrodisiac influences of the striped rods. It is possible that, as a symbolic gesture, he had them face toward the three-days-distant flock of Laban's ring-streaked cattle. Though they could not see them, this might have symbolized Jacob's confidence that Laban's pure-color flock would eventually produce a new ring-streaked flock for himself.

A further measure was taken by Jacob to ensure that the flocks so produced would be composed of strong animals. He divided the flocks into two shifts, composed of stronger and weaker animals, respectively. He used the rods in the troughs when the stronger animals drank, but not when the weaker ones came there. Thus the stronger animals were stimulated to mate, and the others were not... This measure, likewise, to the extent it would be effective, constituted a sound practice of animal husbandry, and should have been of as great benefit to Laban as to Jacob. It would ensure that, statistically at least, most of the newborn lambs and kids, whether solid color or spotted, would be sturdy and healthy. However, there continued to be produced an abnormally large proportion of spotted and speckled young. This meant that a greater and greater percentage of the animals in Jacob's flock were strong animals, and an increasing percentage in Laban's were weaker animals.

It was not until later that Jacob came to understand the providential intervention that caused the unusual percentage of streaked and spotted animals to be born...

Answer 5

No. just zebras with upper body support

Answer 6

ha
as a competent goat breeder I suppose you can offer a challenge to this?

Answer 7

look it up
jon 3:16
ha