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Biology (Genome(Connects to everything) (Chromosome (Mutation (When a…
Biology
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Heredity
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Genetics
The science of heredity, dealing with resemblances and differences of related organisms resulting from the interaction of their genes and the environment...
Sexual Reproduction
A reproductive process that involves two parents (male and female) that combine their genetic material to produce a new, unique organism with traits that are similar to both parents.
Advantages: Unique, may not be affected by diseases unlike others.
Disadvantages: Must find mate, takes a while, can create harmful mutations.
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Homozygous Dominant
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Dominant
The trait observed in the first generation when parents that have different traits are bred. This is shown with a capital letter.
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Homozygous Recessive
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Recessive
A trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred
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Punnett square
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This shows a punnet square with 3 recessive and 1 dominant. This means that there's a 50% chance of the dominant trait and 50% chance of a recessive trait.
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Natural Selection
This data shows that on different tree backgrounds different moths will die. Which would mean natural selection as they adapt to their environment.
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Natural selection is the process which animals better themselves in their environment(adapt) and produce more offspring.
Asexual Reproduction
The process of reproduction involving only a single parent that results in offspring that are genetically identical to the parent.
This means that anything that reproduces asexually will have a baby that is an exact replica.
Advantages: Large amount of offspring, don't need to find a mate, can colonize quickly.
Disadvantages: Since they're clones harmful mutations can get passed down, not unique, can create greater competition for food, bad condition can wipe out everything.
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Artificial Selection
Dog breeding This is artificial selection because us humans chose which species of dogs we wanted to breed yo create the dogs we wanted.
Cloning Is artificial selection because it is an exact replica which is what asexual reproduction is.
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3-1. Develop and use a model to describe that structural changes to genes (mutations) may or may not result in changes to proteins, and if there are changes to proteins there may be harmful, beneficial, or neutral changes to traits.
3-2. Construct an argument based on evidence for how asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation. Compare and contrast advantages and disadvantages of asexual and sexual reproduction.
3-3(MA). Communicate through writing and in diagrams that chromosomes contain many distinct genes and that each gene holds the instructions for the production of specific proteins, which in turn affects the traits of an individual.
3-4(MA). Develop and use a model to show that sexually reproducing organisms have two of each chromosome in their cell nuclei, and hence two variants (alleles) of each gene that can be the same or different from each other, with one random assortment of each chromosome passed down to offspring from both parents.