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Homologous chromosomes are a set of chromosome pairs, one set maternal and the other paternal, that pair up during meiosis, the production of reproductive cells. The pairs have the same genes in the same locations, though once spread out the different pairs segregate out. the biggest way that these chromosomes change up is by exchanging lengths of the material.

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Paul Wyman

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2y ago
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6mo ago

Homologous structures are similar in structure and origin but may have different functions, while analogous structures have the same function but different origins and structures. Homologous structures are evidence of common ancestry, while analogous structures are the result of convergent evolution.

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What are structures that have different functions in different species but develop from the same embryonic tissue?

Homologous structures are anatomical structures that share a common evolutionary origin, but may have different functions in different species. These structures develop from the same embryonic tissue and demonstrate evolutionary relationships between species. An example is the forelimbs of vertebrates, which have different functions such as wings in birds, flippers in whales, and arms in humans.


Two chromosomes in a nucleus that carry genes for the same traits in the same places but specify different versions of the same traits are called?

Homologous chromosomes.


Do homologous structures have dissimilar constructions?

No, homologous structures have similar structures and origins but may have different functions. They are inherited from a common ancestor and can be modified over time to perform different roles in different species.


How do you use homologous structure in a sentence?

The presence of homologous structures in different species, such as the pentadactyl limb in vertebrates, suggests a common evolutionary ancestry. By studying the similarities and differences in homologous structures, scientists can gain insights into the evolutionary relationships between different organisms.


Is a bat wing and a mouse arm a homologous structure?

No, a bat wing and a mouse arm are not homologous structures. Homologous structures are similar body parts that are derived from a common ancestor, while bat wings and mouse arms have different evolutionary origins and serve different functions.

Related questions

What are structures that have different functions in different species but develop from the same embryonic tissue?

Homologous structures are anatomical structures that share a common evolutionary origin, but may have different functions in different species. These structures develop from the same embryonic tissue and demonstrate evolutionary relationships between species. An example is the forelimbs of vertebrates, which have different functions such as wings in birds, flippers in whales, and arms in humans.


What homologous structures in different species evidence of?

Homologous structures in different species are evidence of a common evolutionary ancestry. These structures have a similar origin, but may have different functions in different species. Studying homologous structures helps researchers understand how species have diverged and evolved over time.


What is a term that describes body parts of different organisms that are similar in form?

Homologous structures are body parts of different organisms that have a similar form, suggesting a common evolutionary origin. These structures may serve different functions in each organism but share a common ancestry.


Are mosquitoes and horsefly homologous or analogous?

Homologous means that there is a body part that has the same makeup of a body part of a different organism. Therefore, mosquitos and horseflies have mouth parts that are homologous.


Two chromosomes in a nucleus that carry genes for the same traits in the same places but specify different versions of the same traits are called?

Homologous chromosomes.


Do homologous structures have dissimilar constructions?

No, homologous structures have similar structures and origins but may have different functions. They are inherited from a common ancestor and can be modified over time to perform different roles in different species.


How do differ chromatids differ from homologous chromosomes?

Sister chromatids are identical while homologous chromosomes are merely similar.They are different because they separate the cells and then they become babies but only the homologous chromosomes do.


How do you use homologous structure in a sentence?

The presence of homologous structures in different species, such as the pentadactyl limb in vertebrates, suggests a common evolutionary ancestry. By studying the similarities and differences in homologous structures, scientists can gain insights into the evolutionary relationships between different organisms.


What is the difference between homologous structures and analogous structures?

Homologous = same origin, different function (arms vs. wings) Analogous = same function, different origin (panda thumb)


Are homologous chromosomes different from human lungs?

No they are not. Chromosomes [homologous or (occasionally) not] make Lungs. The Nuclei of Lung Cells also make Chromosomes.


What is meant by Homologous organs?

Homologous organs are body parts of different sexes that are structural equivalents. An example would be the forelimbs of human beings.


1Normal human lung cells contain two copies of chromosome 3 Together these are called a pair of homologous chromosomes How are homologous chromosomes similar and how are they different from one ano?

Homologous chromosomes have all the same genes however they may have different alleles (versions) of those genes.