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What are homologous chromosomes and what characteristics do 2 homologous chromosomes share?

Anonymous

∙ 13y ago

Updated: 6/14/2024

Homologous chromosomes have the same shape, size and position of the centromere. They have the same genes in the same order.

Wiki User

∙ 13y ago

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Homologous chromosomes are a pair of chromosomes, one from each parent, that have the same genes at the same loci. They share similar genetic information, but may have different versions of the same gene called alleles. Homologous chromosomes also have similar size and structure.

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∙ 9mo ago

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Q: What are homologous chromosomes and what characteristics do 2 homologous chromosomes share?

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Is homologous chromosomes only present in cells that undergo meiosis?

No, homologous chromosomes are present in both cells that undergo meiosis and cells that undergo mitosis. In meiosis, homologous chromosomes pair up and exchange genetic material, while in mitosis, homologous chromosomes separate and move to opposite poles of the cell.

Does homologous pair contain 2 chromosomes or the 4 chromatids after doubling?

A homologous pair contains 2 chromosomes, each with 2 chromatids after duplicating in preparation for cell division. This results in 4 chromatids in total for the homologous pair.

What happens in meosis 1 that does not occur in meosis 2?

Pairing between homologous chromosomes

What are the description of prphase 1 to telophase 2?

During prophase 1, chromosomes condense, homologous chromosomes pair up, and crossing over occurs. In metaphase 1, homologous chromosomes line up at the cell's center. Anaphase 1 sees homologous chromosomes separate, while telophase 1 results in two daughter cells. Then, in meiosis 2, the process is similar to mitosis, with chromosome separation into four haploid cells.

In what phase of meiosis does chromosomes line up along equator not in homologous pairs?

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Related Questions

How many chromosomes are in a homologous pair?

in a homologous chromosome there are two chromosomes ( a chromosome and a sister chromosome)

Is homologous chromosomes only present in cells that undergo meiosis?

No, homologous chromosomes are present in both cells that undergo meiosis and cells that undergo mitosis. In meiosis, homologous chromosomes pair up and exchange genetic material, while in mitosis, homologous chromosomes separate and move to opposite poles of the cell.

Are tetrad and homologous chromosomes the same?

No, tetrad refers to a group of four chromatids that are formed during meiosis by pairing of homologous chromosomes. Homologous chromosomes are chromosome pairs that code for the same traits but may have different alleles.

Does homologous pair contain 2 chromosomes or the 4 chromatids after doubling?

A homologous pair contains 2 chromosomes, each with 2 chromatids after duplicating in preparation for cell division. This results in 4 chromatids in total for the homologous pair.

During metaphase 2, do homologous chromosomes pair up?

During metaphase 2, homologous chromosomes do not pair up. Instead, individual chromosomes line up along the metaphase plate in preparation for separation during anaphase 2.

Do homologous chromosomes pair up during metaphase 2 as they do in metaphase 1?

No, homologous chromosomes do not pair up during metaphase 2 as they do in metaphase 1. In metaphase 2, individual chromosomes line up along the metaphase plate.

How many homologous pairs of chromosomes does a diploid human cell have?

A diploid human cell has 23 pairs of homologous chromosomes, for a total of 46 chromosomes.

What is meant by synapsis?

A synapsis is the pairing of 2 homologous chromosomes.

What is the term for two chromosomes that have the same length?

Homologous, but keep in mind that only specific pairs of chromosomes numbered on a karyotype (e.g. 1, 2, 3) can be homologous.

How would you know if 2 chromosomes were homologous pairs?

Homologous chromosomes are similar in size, shape, and genes. They are typically present in pairs, one inherited from each parent. To determine if two chromosomes are homologous pairs, genetic analysis, such as karyotyping or DNA sequencing, can be performed to compare their structure and content.

When do homologues pair?

A homologous pair is a pair of chromosomes that exist in diploid cells. One of the pair you inherit from your father, the other from your mother. A human has 22 pairs of homologous chromosomes (these do not include sex chromosomes). They are the same length and shape. They also share the same genes. The sequences of the genes may be different, which is what results in genetic variation, but the genes are the same.

How many pairs of homologous chromosomes are found in human body cells?

Human cells have 23 homologous pairs. They also must go through meiosis before that. Females have 2 X chromosomes, while Males have an X and a Y chromosome. That's why the males cells decide the gender of the child.

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