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If one or more of these mutations occurs in the genes of reproductive cells how might the traits of offspring be affected?
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What occurs when formerly interbreeding organisms are prevented from producing fertile offspring?
Reproductive isolation
What type of mutation occurs in reproductive cells and can be passed to offspring?
Sex cells
How do mutation get transferred to offspring?
DNA mutations can pass from parents to off spring only if the mutation occurs in the sex cells (eggs and sperm).
What will mutation do if it occurs in a sex cell?
There offspring with mutations
What is the effect of differntial reproduction over time?
Overproduction of offspring and more changes like adaptation for survival.
What occurs when forerly interbreeding organisms are prevented from producing fertile offspring?
If the species is prevented from producing fertile offspring - the species will eventually become extinct.
What occurs when formerly interbreeding organisms are prevented from producing fertile offspring?
Reproductive isolation
What type of reproductive occurs when animals produce clone offspring?
asexual
What type of mutation occurs in reproductive cells and can be passed to offspring?
Sex cells
How do mutation get transferred to offspring?
DNA mutations can pass from parents to off spring only if the mutation occurs in the sex cells (eggs and sperm).
How can new mutations be added to a gene pool?
Mutations are added to a gene pool when a mutation (completely random) occurs in a person. They will pass this gene on to their offspring (and so on, and so forth).
How are mutations are inherited?
If a mutation occurs in a sex cell, then it may be inherited. Any mutation to the somatic cells will not be passed on. Any mutations that either of the parent organisms have will be inherited by their offspring.
What will mutation do if it occurs in a sex cell?
There offspring with mutations
What happens if nondisjunction occurs during meiosos?
If nondisjunction occurs during meiosis the result could be a wide range of mutations. Most likely it would result in mosaicism meaning there will be a mixture of affected cells and non affected cells.
A female rat is exposed to X-rays Its future offspring will be affected only if a mutation occurs in which cell?
sex cells
What is the effect of differntial reproduction over time?
Overproduction of offspring and more changes like adaptation for survival.
Why does evolution generally occure faster in organisms that sexually?
Increased mixing of genetic material occurs during sexual reproduction which, in turn, increases the chance that successful genetic mutations in individuals will be passed on to offspring. Further, individuals with different successful mutations can mate and produce offspring that carry both traits. If the traits are dominant they will be immediately beneficial...if recessive they will begin to occur in the F2 and beyond offspring.
