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A structure that holds together homologues during crossing over

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What is the site of crossing over between two non-sister chromatids?

The site of crossing over between two non-sister chromatids is called the chiasma. It is a physical point where genetic material is exchanged during meiosis. This exchange leads to genetic recombination and increased genetic diversity among offspring.


What is the chiasma?

A chiasma is a cross-shaped structure that forms during meiosis when non-sister chromatids exchange genetic material. This process is known as genetic recombination and helps increase genetic diversity in offspring.


What is the difference between Chiasma and Chiasmata?

Chiasma refers to the physical site of crossover between homologous chromosomes during meiosis, facilitating genetic recombination. Chiasmata are the visible manifestations of chiasmata, appearing as X-shaped structures that hold homologous chromosomes together before they separate during meiosis.


What is the x shaped structure at the bottom of the brain below the hypothalamus and called the 'optic?

The x-shaped structure at the bottom of the brain below the hypothalamus, called the "optic chiasm," is where the optic nerves partially cross over. This crossover allows the brain to receive visual information from both eyes.


What term do scholars use to refer to biological differences between man and woman?

Scholars use the term "sexual dimorphism" to refer to biological differences between men and women. This term encompasses differences in physical characteristics such as body structure, reproductive anatomy, and hormonal profiles.

Related Questions

What is the definition of chiasm?

Alt. of Chiasma


What cant be seen as one looks into the eye with an ophthalmoscope?

Optic Chiasm - a crossing point of the optic nerves.


To what does the term coed refer?

to what does the term coed refer


What is the crossing of the optic nerves called?

optic chiasma


What is the site of crossing over between two non-sister chromatids?

The site of crossing over between two non-sister chromatids is called the chiasma. It is a physical point where genetic material is exchanged during meiosis. This exchange leads to genetic recombination and increased genetic diversity among offspring.


An average of one chiasma during meiosis is equal to how many centiMorgans of genetic distance?

One chiasma during meiosis is roughly equivalent to about 1-2 centiMorgans of genetic distance. Chiasma is a physical representation of recombination events occurring during meiosis, leading to the exchange of genetic material between homologous chromosomes. This recombination and genetic exchange are key factors in the linkage between genes on a chromosome.


What is the term used to refer to someone with a Ph.D.?

The term used to refer to someone with a Ph.D. is "doctor."


What is the term used to refer to a quantum of light?

The term used to refer to a quantum of light is a photon.


What is the chiasma?

A chiasma is a cross-shaped structure that forms during meiosis when non-sister chromatids exchange genetic material. This process is known as genetic recombination and helps increase genetic diversity in offspring.


What is mitotic chiasma?

chiasma occurs in meiosis. Fascinating that I didn't answer this question but it's attributed to me so I guess I'll add some detail. Chiasma means crossing/intersecting and are the points where recombination occurs duting meoisis. (Crossing over does not occur in mitosis). Chiasma(singular) or chiasmata (plural) are formed during prophaseof meiosis I duing recombination and hold homologous chromosomes together at the sites where the exchanges of genetic material occur. These "connections: remain in place until until the chromosomes seperate during anaphase.


Crossovers between non-sister chromatids during meiosis form?

chiasma


What is optic tract?

An Optic Tract is the pathway between the optic chiasma and the brain.