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genetic information

Chromosome: A chromosome is a long, coiled- up molecule of DNA found in the nucleus of cells, which carries ________ and is responsible for passing it on from one generation to the next.

Limb structure

________: ________ refers to the physical arrangement and characteristics of the arms, legs, or wings of an organism.

recent common ancestor of birds

Answer: The point that represents the most ________ and alligators is the node where their two branches converge.

Allele

________: An allele is a variant form of a gene that is responsible for producing different traits within a population.

Ancestor

________: An ancestor is a person, organism, or group that is related to a particular individual or organism in the past, from which it has descended.

Cladogram

________: A cladogram is a diagram that shows the evolutionary relationships between groups of organisms based on their shared characteristics.

Transition

________: A transition is a type of genetic mutation in which one nucleotide is replaced by another nucleotide of the same type (purine for purine or pyrimidine for pyrimidine)

Gene

________: A gene is a segment of DNA that carries the instructions for a specific trait, such as eye color or blood type.

Protein

________: A protein is a large molecule made up of chains of amino acids that perform a variety of functions in living organisms, such as catalyzing chemical reactions and providing structural support.

Allele

An allele is a variant form of a gene that is responsible for producing different traits within a population

Ancestor

An ancestor is a person, organism, or group that is related to a particular individual or organism in the past, from which it has descended

Chromosome

A chromosome is a long, coiled-up molecule of DNA found in the nucleus of cells, which carries genetic information and is responsible for passing it on from one generation to the next

Cladogram

A cladogram is a diagram that shows the evolutionary relationships between groups of organisms based on their shared characteristics

Common ancestor

A common ancestor is an organism from which two or more different species have evolved

Common descendant

A common descendant is a species that is descended from a common ancestor along with one or more other species

Descendant

A descendant is an individual or organism that is descended from a particular ancestor or group of ancestors

DNA

DNA (deoxyribonucleic acid) is a molecule that contains the genetic instructions for the development and functioning of all living organisms

Dominant

In genetics, a dominant trait is one that is expressed in an organism's phenotype even if only one copy of the gene for that trait is present

Extinct

An organism is considered extinct when there are no living members of its species left on Earth

Fossil

A fossil is the preserved remains or traces of an organism that lived in the past

Fossil record

The fossil record is the collective evidence of past life preserved in the form of fossils

Gene

A gene is a segment of DNA that carries the instructions for a specific trait, such as eye color or blood type

Limb structure

Limb structure refers to the physical arrangement and characteristics of the arms, legs, or wings of an organism

Principle of superposition

The principle of superposition is a geological concept that states that in a sequence of sedimentary rock layers, the oldest layer is at the bottom and the youngest layer is at the top

Protein

A protein is a large molecule made up of chains of amino acids that perform a variety of functions in living organisms, such as catalyzing chemical reactions and providing structural support

Recessive

In genetics, a recessive trait is one that is expressed in an organism's phenotype only if two copies of the gene for that trait are present

Transition

A transition is a type of genetic mutation in which one nucleotide is replaced by another nucleotide of the same type (purine for purine or pyrimidine for pyrimidine)

Variation

Variation refers to the differences in traits or characteristics that exist among individuals within a population

Vertebrate

A vertebrate is an animal that has a backbone or vertebral column, such as a fish, bird, reptile, amphibian, or mammal