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Organisms that are well likely to...
- -survive and reproduce
- -pass on those favorable traits to their offspring
-can show how structures change/transition overtime
produces identical cells with identical # of DNA )chromosomes)
-show common ancestry
mutation (change in genes) can cause...
increase in diversity (differences) of that species
when a population becomes limited in their genetic variation
-less likely to be able to adapt to a changes environment may die out
if animals are seperated (ex. different island) over time it could cause...
- -organisms cant interbreed, gene flow is limited
- -may to evolve into different dpecies
sexual vs asexual
sexual: genetically different offspring, takes place only at certian times, haploid cells
Asexual reproduction: genetically identical, takes place although out and organism life, diploid cells
- -making sex cells (haploid)
- -each with a half set of chomosomes
- -sexual reproduction
DNA replication is important so that...
all calls have a complete set of identical genes
mendels law of segragation says...
alleles (genes) seperate when gametes form
in human evolution homo sapiens have evolved to have
larger skulls/breains that our ancestory
uncontrolled cell division (unregulated mitosis)
mutation in gametes (sex cells)....
can be passed out on to offspring
genetically modified cropscould lead to...
decrease in genetic diversity in the crops
bacteria can be used to produce human protiens (insulin) because...
we have similar DNA
the more genes a species have in common the more closely they are...
parts of the brain
- -frontal lobe
- -parietal lobe
- -temporal lobe
- -occipital lobe
occurs during mitosis, cell division
cyto kinesis (when the cytoplasm "pinches off"
-must start with the synthesis making of organic molecules
- -both traits are expressed at the same time
- -ex. 2 colors on a cat, 2 patterns on a flower petal
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