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What are parallel lines seen on either cleavage planes or crystal faces?
Parallel lines seen on cleavage planes or crystal faces are usually caused by twinning, where two crystals grow together with a specific orientation relationship. This twinning can result in repeated patterns of parallel lines that are visible on the surface of the crystal.
Thin transparent membrane that separated a pair twins in utri is an indicator following modes of twinning?
The thin transparent membrane that separates a pair of twins in utero is typically indicative of diamniotic, monochorionic twinning. This means that the twins each have their own amniotic sac but share a single chorion. Twins that have separate chorions and amniotic sacs are known as dichorionic, diamniotic twins.
What causes a fetus to split?
A fetus can split during early pregnancy due to a process called twinning. This may occur when a fertilized egg splits into two separate embryos, leading to identical twins. It is a natural occurrence and happens randomly in about 1 in every 250 pregnancies.
What category of cloning does artificial embryo twinning fit?
Artificial embryo twinning is where an early embryo which has been produced through IVF is divided into several individual cells. This is at the stage where the embryo cells are not specialized yet. Each cell grows into an identical embryo in the lab. These embryos are then transferred into a host mother and identical cloned animals are born. So it uses normal sexual reproduction and essentially produces identical twins/triplets quadruplets but this is done in the lab instead of nature producing an identical twin. It is in no way similar to fusion cell cloning as used for Dolly the sheep. It falls in the category of embryo cloning.
What physical properties distinguish plagioclase feldspars from othoclase feldspars?
Plagioclase feldspars have a higher calcium content compared to orthoclase feldspars, as well as a different crystal structure. In terms of appearance, plagioclase feldspars often exhibit striations and twinning, which are less common in orthoclase feldspars.
What is twinning?
Twinning is the phenomenon where two or more siblings are born from the same pregnancy at the same time. It can occur either through the birth of identical twins (from a single fertilized egg splitting) or fraternal twins (from two separate eggs being fertilized). Twinning is a natural occurrence and happens in about 1 in every 30 births worldwide.
What is a sodium an calcium feldspar with twinning striations called?
A sodium feldspar with twinning striations is called albite, while a calcium feldspar with twinning striations is called anorthite.
What is a job twinning?
Job twinning is when a co-operative education student is observed at his or her placement For either a half or full day.
How is cloning different from artificial embryo twinning?
Cloning involves creating a genetically identical copy of an organism, typically through somatic cell nuclear transfer. Artificial embryo twinning involves separating an early-stage embryo into individual cells to create multiple embryos that are genetically identical. Cloning creates a copy at a later stage, while artificial embryo twinning creates multiple identical embryos from a single original embryo.
What is the difference between exsolution and twinning?
twinning occur cause of growth of two crystal in same plane, in twinning we have just one substance, but ex-solution occur cause of cooling and here we have two substance. m.piroui@gmail.com
What is the name of twinning plants?
Twining plants are climbers.
Does the cow or bull determine twinning in calves?
The cow.
What are the release dates for Jersey Shore - 2009 Twinning 4-3?
Jersey Shore - 2009 Twinning 4-3 was released on: USA: 18 August 2011
Do tumbled quartz have piezoelectric properties?
Yes, all quartz has piezoelectric properties, whether it has been tumbled or not. However, in natural quartz, were optical twinning (equally distributed left and right quartz forms inside the material) is very common, the piezoelectric effect is not strong. That is the main reason why only synthetic quartz is being used by manufacturers, where twinning is almost absent.
Is cloning twinning?
Yes, but the twins will be of far different ages. P.S- Natural twins are born almost at the same time. Please also see: How could cloning help infertile couples have children?
What is difference beween slip and twinning?
Slip is the movement of atoms along crystal planes, causing deformation without a change in crystal structure. Twinning involves the formation of mirror-image crystal domains with a shared interface. While slip allows for plastic deformation, twinning produces more distinct regions within a crystal that can behave differently.
What crystal shape does a diamond have?
There are several, including isometric forms such as cubes and octahedrons, twinning is also seen.
