Which best describes the law of independent assortment

What is the Law of Independent Assortment?

The Principle of Independent Assortment describes how different genes independently separate from one another when reproductive cells develop. Independent assortment of genes and their corresponding traits was first observed by Gregor Mendel in 1865 during his studies of genetics in pea plants.

What stage of meiosis is independent assortment?

prophase I

How does independent assortment occur?

Independent assortment is the process where the chromosomes move randomly to separate poles during meiosis. A gamete will end up with 23 chromosomes after meiosis, but independent assortment means that each gamete will have 1 of many different combinations of chromosomes.

What part of meiosis explains Independent Assortment?


Why Law of Independent Assortment is not universal?

Many genes are located on one chromosome, i.e. they are linked. … Therefore, the law of independent assortment is applicable only for the traits which are located on different chromosomes. Thus, law of independent assortment is not universally applicable.

What is Mendel’s Second Law of Independent Assortment?

Mendel’s 2nd law states that during gamete formation the segregation of each gene pair is independent of other pairs. Mendel’s 2nd law is often referred to as the principle of independent assortment.

What is an example of independent assortment?

A good example of independent assortment is Mendelian dihybrid cross. The presence of new combinations – round green and wrinkled yellow, suggests that the genes for the shape of the seed and color of the seed are assorted independently.

What is the importance of independent assortment?

Independent assortment of genes is important to produce new genetic combinations that increase genetic variations within a population. See also: Mendelian inheritance. meiosis.

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What is the difference between crossing over and independent assortment?

Crossing-over is the exchange of genetic material between non-sister chromatids of homologous chromosomes. … When cells divide during meiosis, homologous chromosomes are randomly distributed during anaphase I, separating and segregating independently of each other. This is called independent assortment.

What are the advantages of independent assortment and crossing over?

Independent assortment produces new combinations of alleles.

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 are the consequences of Independent Assortment?

In effect, the Law of Independent Assortment creates a large amount of variety based on different combinations of genes which have not previously occurred. In one instance, genes cannot be assorted completely randomly. This occurs with linked genes, or genes which share the same chromosome.

How do you test for independent assortment?

The best way to generate such an example is through a dihybrid test cross, which considers two different genes during a cross between two heterozygote parents. Mendel’s principle of independent assortment predicts that the alleles of the two genes will be independently distributed into gametes.

How does the Law of Independent Assortment reflect the events of meiosis?

The law of independent assortment reflects that each homologous pair of chromosomes aligns independently of other chromosome pairs during metaphase I of meiosis. … When pairs of genes are linked, they are carried on the same chromosome and are inherited together.

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How would meiosis differ without independent assortment There are 2 correct choices?

No genetic diversity among gametes would be generated during meiosis. … Recombination would not occur because homologous chromosomes would not pair. Each gamete would have a random combination of maternal and paternal chromosomes.

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