What is the result of the combination crossing over and independent assortment?

What is the result of the combination crossing over and independent assortment?

In meiosis I, crossing over during prophase and independent assortment during anaphase creates sets of chromosomes with new combinations of alleles. Genetic variation is also introduced by random fertilization of the gametes produced by meiosis.

What is a new combination of genes produced by crossing over?

Recombination is a process by which pieces of DNA are broken and recombined to produce new combinations of alleles. This recombination process creates genetic diversity at the level of genes that reflects differences in the DNA sequences of different organisms.

Which term describes the new combination of genes produced by crossing over and independent assortment?

homologous recombination
This exchange of genetic material can happen many times within the same pair of homologous chromosomes, creating unique combinations of alleles. This process is also known as homologous recombination.

What is crossing over also referred to as the independent assortment of chromosomes?

the exchange of homologous portions of nonsister chromatids. What is crossing over? -a direct consequence of the separation of sister chromatids. -also referred to as the “independent assortment of chromosomes” -the movement of genetic material from one chromosome to a nonhomologous chromosome.

What is crossing over and independent assortment?

Crossing-over is the exchange of genetic material between homologous chromosomes. When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other. This called is called independent assortment.

How do crossing over and independent assortment during meiosis result in daughter nuclei that differ genetically?

How do crossing over and independent assortment during meiosis result in daughter nuclei that differ genetically? In Crossing Over, the homologous chromosomes pair by adhering along their lengths in a process called synapsis.

What is crossing over and recombination?

Recombination refers to the process of recombining genes to produce new gene combinations that differ from those of either parent. Crossing over is the process of exchanging segments of chromosomes between homologous chromosomes.

How does crossing over help in independent assortment of genes?

Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other.

Where do crossing over and independent or random assortment occur and why?

During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I.

How does crossing over increase the genetic variety?

Crossing over increases genetic variety by creating a new chromosome with a new combination of genes. During metaphase I, the tetrads line up at the equator of the cell. During anaphase one, the tetrads are broken apart and each homologous chromosome that made each tetrad up is pulled toward one end of the cell.

What is the relationship between crossing over and independent assortment?

In conclusion, crossing over and independent assortment (sometimes called random assortment) are different independent processes that both lead to an increase in genetic diversity.

What is the definition of independent assortment of chromosomes?

Independent assortment describes the phenomenon where the paternal and maternal chromosomes can be lined up randomly at the equator. There are many combinations.

When does independent assortment occur in prophase I?

No, independent assortment occurs after crossing over. Crossing over occurs in prophase I while independent assortment occurs in metaphase I and anaphase I. I am so confused, what is the difference between this two process? During prophase I, a process called synapsis occurs.