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The blastodisc is used to keep the girl part of the yolk still while the male part disconnects to mate with the female
Wiki User
∙ 12y ago
Wiki User
∙ 7y agoA blastodisc is another term for a blastodisk, a round, flattened region of cells from which the embryo of many vertebrates begins to develop in the fertilized ovum.
Wiki User
∙ 7y agoA blastoderm is a germination point in an ovum from which the embryo develops.
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What does the thin layer in egg called?
a blastoderm
What is the purpose of the tiny white dot of an egg?
It's called the germinal disc or blastodisc - a small, circular, white spot (2-3 mm across) on the surface of the yolk; it is where the sperm enters the egg. The nucleus of the egg is in the blastodisc.
What is blastoderm?
A blastoderm is a germination point in an ovum from which the embryo develops.
Why is there a white dot on an egg yolk?
The white dot on the yolk is the blastodisc, or where the chick embryo would form if it were fertilized. If you're talking about the strands that look like tails on the yolk, those are the chalazae that keep the yolk in place in side the egg.
What are the parts of the chickens egg?
The yolk is the yellow part in the middle. The whites are the white, squishy part around the yolk. They are totally white in a hard-boiled egg. The shell is the thin, hard casing around the egg. Seriously, you should know this from kindergarten.
What has the author Wharton B Mather written?
Wharton B. Mather has written: 'A third race of Drosophila rubida' -- subject(s): Diptera, Drosophila 'The technique of rabbit blastoderm culture' -- subject(s): Rabbits, Blastoderm
What is the function of egg germ?
The germ cell is located on top of the yolk and looks like a small white disk. This is barely visible to the naked eye. The egg, or germ cell, when fertilized would turn into an embryo and eventually a chick.
What is a 10 letter word that starts with b ends with m?
bipedalism, blastoderm, bolshevism, boosterism, bourbonism, brainstorm, bridegroom
Why cleavage is chick is called discoidal type?
The cleavage in the chick is called discoidal because it is limited to the blastodisc. EXPLANATION: Post-fertilization changes in the chicken egg are caused by several mitotic divisions. The entire egg at a point of development is divided into two poles, the vegetal pole and the animal pole.
Can the nucleus in an egg be seen with a microscope?
Yes. However, you are quite unlikely to ever see an egg cell, as the only time that they are ever outside of the body is during menstruation and they are hard to find even then. They are about the size of one pixel.
What part of the egg provide food for the chick?
The germinal disc. The egg is really just a single cell, until it is fertilized. The blastodisc (white spot on top of the yolk) is what will become part of the fetus when fertilized with sperm. Then the fetus feeds off the yolk to continue developing.
What do Unfertilized eggs look like?
A fertilized bird egg looks exactly the same as any other egg. There's no way to tell from the outside. Inside the shell, however, it is possible to tell (although if you crack the egg open to see, you can't hatch it). All eggs have what's called a 'blastocyst' on the yolk which is just a tiny white dot. When an egg is fertilized the blastocyst turns into a blastoderm. It houses the fertile cells that will grow into a chick under proper conditions. In an unfertilized egg, the blastocyst (also called the germinal disc) is just a tiny white dot. However, in a fertilized egg, the tiny white dot changes to a larger round spot that often looks like a bullseye.
