A homologous trait is any characteristic which is derived by evolution from a common ancestor. This is contrasted to analogous traits: similarities between...

Homologous chromosomes are the pairs of chromosomes in a diploid organism. They are the chromosomes which pair during meiosis. With the exception of the...

In chemistry, a homologous series is a series of chemical compounds with the same general formula. Usually these compounds vary by a single parameter such...

biochemistry and molecular biology. Much later, he worked on the technique of homologous recombination of transgenic DNA with genomic DNA. This is the most reliable...

Capecchi discovered a technique in genetic engineering. It is known as homologous recombination of transgenic DNA. This is important because it is the most...

extra or missing genes, then there is no problem with meiosis. When the homologous chromosomes pair in prophase I of meiosis, the genes on the chromosomes...

"acorn") is a vascular structure on the tip of the penis in men or a homologous genital structure of the clitoris in women. Glans penis Clitoris "glans"...

In those species where the male does have a penis, the penises are not homologous. This means that it evolved separately in each species. They also fill...

atoms are connected via a double bond. It is the ninth member of the homologous series[clarification needed] of alkenes. This short article about chemistry...

the labia minora they form the labia of the vulva. The labia majora are homologous to the male scrotum. "How the female reproductive system works | girlshealth...

is present in two or more species by common descent. It is a type of homologous character or homology. More precisely, it is shared by two or more taxa...

All arthropod appendages are variations of the same basic structure (homologous). Which structure is produced is controlled by homeobox genes. Changes...

A blowhole is the hole that cetaceans use to breathe. It is homologous to the nostrils of other mammals. When whales come up to the surface of the water...

atoms are connected via a double bond. It is the tenth member of the homologous series of alkenes. This short article about chemistry can be made longer...

14 carbon atoms and 30 hydrogen atoms. It has more isomers than other homologous series behind it. "tridecane - Compound Summary". PubChem Compound. USA:...

receive sound. Swim bladders are evolutionarily closely related (i.e., homologous) to lungs. Traditional wisdom has it that the first lungs (simple sacs...

water and are hydrophobic. Hydrocarbons are grouped into "families" or "homologous series". There are five main families. The hydrocarbons in each family...

animals during an erection. The term literally means "cave-like body" It is homologous to the corpus cavernosum clitoridis in the female. The corpus cavernosum...

similarity may be the result of shared descent from a common ancestor. Homologous traits are similarities caused by common ancestry. They are distinct from...

common ways the cell fixes this problem is homologous recombination and non homologous end joining. In homologous recombination, enzymes use a similar part...

chromosome. They are sites of active transcription. Karyotype Cell division Homologous chromosome Mutation#Chromosome mutations Genetics#Between Mendel and modern...

Polyploidy occurs in cells and organisms when there are more than two paired (homologous) sets of chromosomes. Most organisms are normally diploid, meaning they...

prostates. They have a version of the prostate which does the same thing (the homologous version of a prostate) called the clitoris. The Skene's gland (women reproductive...

on the topic of Computer-Human Interaction Chromosomal crossover, in homologous recombination, a viral DNA sequence called a "crossover hotspot instigator"...

bacterial flagella, but are different in many details and considered non-homologous. Eukaryotic flagella – those of animal, plant, and protist cells – are...

line up along the equatorial (the central line) of the spindle fibres in homologous pairs. Anaphase I The chromosomes are divided so that there are equal...

needs the undamaged sequence in the complementary DNA strand or in a homologous chromosome. If a cell retains DNA damage, transcription of a gene can...

connected to the distal third of the urethra in the prevaginal space that are homologous to the prostate, and may cause symptoms. The term prostatitis refers in...

reported in Ornithischia, on Psittacosaurus and Tianyulong, could be homologous to the "protofeathers" found in non-avian theropods. This would imply...

form them to overlap into protective armour. Their original cones are homologous with the tips of the plates of modern chitons. Runnegar B.; Pojeta J.J...

fellowship ended. In 1931, he was the first to demonstrate crossover of homologous chromosomes in Drosophila melanogaster, only weeks after Barbara McClintock...

from unequal crossing-over that occurs during meiosis between misaligned homologous chromosomes. The product of this recombination are a duplication at the...

trait from a common ancestor. In that case, the structures are called homologous. An example is the tetrapod limb, which has been inherited from early...

further up on the ankle. The scales and scutes of birds are thought to be homologous with those of non-avian reptiles, and feathers have developed from the...

in rodents than in primates. Other vertebrates have areas which may be homologous to the hippocampus of mammals. Some insects, and cephalopods such as the...

a defence against competitors and predators. Assassin bug toxins are homologous with the chemistry of marine cone snails. E. Zlotkin et al.: An excitatory...

called up to the Nazionale di Lega della Serie A under-23 against the homologous team of the English League, which he entered in the 30th minute, replacing...

one round of DNA replication followed by two divisions. In meiosis I, homologous chromosomes are separated. In meiosis II, sister chromatids are separated...

birds. Different body parts that evolved from the same thing are called homologous. Extinction is when all members of a species die. About 99.9% of all species...

Biogen Inc. He invented ways of analysing huge amounts of chemical data, homologous recombination methods, and DNA array synthesizers. Automated sequencing...

The evolution of the eye is an example of a homologous organ which many animals have. Some components of the eye, such as the light-sensitive opsins, seem...

from the same bundle of tissue. The clitoris is homologous to the penis and the labia majora are homologous to the scrotum. The clitoris shown is unusually...

favourite example of convergent evolution. Its similarities to fish are not homologous, caused by common descent, but analogous, caused by selection in the same...

reproductive system of man, called the spermatic cords. In females it is (the homologous structure) the round ligament of the uterus. There are two spermatic cords...

Hepatitis is a disease of the liver. In hepatitis, the liver is inflamed. There can be several reasons why the liver is inflamed. For this reason there...

of Skene's gland (the correct nomenclature) is the same. Because it is homologous, the Skene's gland has been called the "female prostate". The clitoris...

Crossing over takes place between the chromatids of two homologous chromosomes. Maternal chromatids are red; paternal chromatids are blue. Lines point...

secondary antennae were shorter than the first pair and thought to be homologous with a velvet worm's slime glands or jaws. Piper, Ross 2007. Extraordinary...

dinosaurs (Psittacosaurus, Tianyulong) and pterosaurs may or may not be homologous with the feathers and protofeathers of theropods. Avialae Dinobird Coelurosaur...

artificial, heterologous MeSH E02.875.540.525 – insemination, artificial, homologous MeSH E02.875.800.500 – embryo transfer MeSH E02.875.800.750 – fertilization...

800 – transplantation, heterotopic MeSH E04.936.864 – transplantation, homologous MeSH E04.936.864.700 – transplantation, isogeneic MeSH E04.936.932 – warm...

artificial, heterologous MeSH E05.820.800.937.525 – insemination, artificial, homologous MeSH E05.820.800.968 – oocyte donation MeSH E05.820.800.984 – ovulation...