Evolution Variation & Mutation Ii Crossword Puzzle

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INVERSION : This type of chromosome fragmentation occurs when the broken-off piece of chromosome becomes reversed and is then joined on again.
REPETITION : This type of chromosomal mutation is the result of reduplication of portions of the DNA in a chromosome.
GENE MUTATIONS : This type of chromosomal mutation occurs when there is a spontaneous change in the basic genetic code at a single gene locus without any corresponding change in the number or structure of the chromosome.
LOCUS : This is term given to the position of a gene within a chromosome.
COPIED : A cause of DNA mutations can occur spontaneously when DNA is ____ before a cell divides.
MUTAGENIC : A cause of DNA mutations are these agents.
MUTAGEN : This is a substance or event that increases the rate of mutation.
PHYSICAL : This type of mutagen causes physical changes to the structure of DNA, such as X-rays.
CHEMICAL : This type of mutagen includes molecules that can enter the nucleus of a cell and chemically react with DNA, such as pesticides.
CARCINOGEN : Some mutagens are this type of substance or agent that causes cancer.
HARMFUL : Most mutations are this.
NONE : Many mutations have this much effect.
BENEFICIAL : Rarely mutations are this.
FITTEST : This type of organism in any population are those who leave the largest number of offspring.
ADAPTATION : This is any physical feature or behaviour of an organism that is coded for by genes.
SPECIES : This refers to a group of organisms which normally interbreeds in nature to produce fertile offspring.
SPECIATION : This is the establishment of a new species.
REPRODUCTIVE : This type of isolation is the key to the formation of a new species.
ALLOPATRIC : This type of speciation occurs when a barrier of some sort reproductively isolates two parts of a species, allowing them to undergo natural selection independently.
SYMPATRIC : This type of speciation occurs primarily in plants and does not involve a barrier.

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QUESTIONS LIST:

inversion : this type of chromosome fragmentation occurs when the broken-off piece of chromosome becomes reversed and is then joined on again.
repetition : this type of chromosomal mutation is the result of reduplication of portions of the dna in a chromosome.
gene mutations : this type of chromosomal mutation occurs when there is a spontaneous change in the basic genetic code at a single gene locus without any corresponding change in the number or structure of the chromosome.
locus : this is term given to the position of a gene within a chromosome.
copied : a cause of dna mutations can occur spontaneously when dna is _ before a cell divides.
mutagenic : a cause of dna mutations are these agents.
mutagen : this is a substance or event that increases the rate of mutation.
physical : this type of mutagen causes physical changes to the structure of dna, such as x-rays.
chemical : this type of mutagen includes molecules that can enter the nucleus of a cell and chemically react with dna, such as pesticides.
carcinogen : some mutagens are this type of substance or agent that causes cancer.
harmful : most mutations are this.
none : many mutations have this much effect.
beneficial : rarely mutations are this.
fittest : this type of organism in any population are those who leave the largest number of offspring.
adaptation : this is any physical feature or behaviour of an organism that is coded for by genes.
species : this refers to a group of organisms which normally interbreeds in nature to produce fertile offspring.
speciation : this is the establishment of a new species.
reproductive : this type of isolation is the key to the formation of a new species.
allopatric : this type of speciation occurs when a barrier of some sort reproductively isolates two parts of a species, allowing them to undergo natural selection independently.
sympatric : this type of speciation occurs primarily in plants and does not involve a barrier.