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How do two identical twins develop in a female?
Identical twins develop when a single fertilized egg splits into two embryos. In a female, this occurs shortly after fertilization in the womb. These twins share the same genetic material and are always the same sex.
What is a group of individuals that belong to the same species and live human in the same area called?
Population
Are both the egg and zygote of a sea star the same size?
No, the egg of a sea star is typically larger than a zygote. After fertilization, the zygote undergoes cleavage divisions, resulting in smaller cells before developing into a larva.
What combination of gametes creates a male zygote?
A male zygote is created when an X-bearing sperm from the father fertilizes an X-bearing egg from the mother, resulting in a female (XX) zygote. Alternatively, a male zygote is formed when a Y-bearing sperm fertilizes the same X-bearing egg, resulting in a male (XY) zygote. Therefore, the combination of gametes that creates a male zygote is an X egg and a Y sperm.
Do monozygotic twins have the same genotype and phenotype?
Monozygotic twins are two offspring that have identical DNA. This is because they arose from one zygote (hence monozygotic). Both of the offspring came from this zygote which at a particular time spilt. After the split, each individual had a copy of the original DNA
Is the morula about the same size as the zygote?
No, the morula is typically larger than the zygote. A zygote is the initial cell formed by the fusion of sperm and egg, whereas a morula is a solid ball of cells resulting from multiple rounds of cell division from the zygote.
What is gemellology?
I searched this in google:A twin is one of two offspring produced in the same pregnancy. Twins can either be monozygotic, meaning that they develop from one zygote that splits and forms two embryos, or dizygotic, meaning that they develop from two eggs, each fertilized by separate sperm cells.That is gemellology.
How do two identical twins develop in a female?
Identical twins develop when a single fertilized egg splits into two embryos. In a female, this occurs shortly after fertilization in the womb. These twins share the same genetic material and are always the same sex.
What is a group of individuals that belong to the same species and live human in the same area called?
Population
When two or more individuals or population try to use the same resource it is called?
its called competition
Are both the egg and zygote of a sea star the same size?
No, the egg of a sea star is typically larger than a zygote. After fertilization, the zygote undergoes cleavage divisions, resulting in smaller cells before developing into a larva.
What combination of gametes creates a male zygote?
A male zygote is created when an X-bearing sperm from the father fertilizes an X-bearing egg from the mother, resulting in a female (XX) zygote. Alternatively, a male zygote is formed when a Y-bearing sperm fertilizes the same X-bearing egg, resulting in a male (XY) zygote. Therefore, the combination of gametes that creates a male zygote is an X egg and a Y sperm.
Differences in DNA between individuals is called?
No two individuals have the same genetic content, with identical twins being the only exception. Even, they if brought up in different envoironment can develop changes, brought baout by environment. Such differences among individals at the genetic level is known as " variations".
Where in the mammals' body do the young ones develop?
Dolphins are mammals; their reproductive process is essentially the same as that of human beings, even if they happen to be in the water at the time. The zygote of a dolphin develops in the uterus of the mother dolphin.
What group of individuals of the same species that live together in the same area at the same time?
A group of individuals of the same species living in a particular place is called a population.
How do identical and fraternal twins develop?
Identical twins form from the same fertilized egg (zygote). When the zygote has divided a few times and formed a ball of cells, something causes this embryo to split in two. Each half then goes on to develop into a person. So the twins have identical genes. A technical name for such individuals is monozygotictwins.Fraternal (or dizygotic) twins develop from two zygotes, formed from two different eggs (ova) fertilized by two different male gametes (sperms). So they are not necessarily any more alike than any other siblings.
How are twins produced?
identical twins are formed when one sperm fertilizes a single ovum and the zygote divides into two in the initial stages of cleavage of the zygote. then, the two parts of the same zygote develop independently. fraternal wins are formed when two sperms fertilize two different ova.
