Biology, 30.06.2019 13:00 itsyagirlgona21
Take a close look at the chromosomes in division 1, when homologous chromosomes come together and form tetrads. the arms of the non-sister chromatids have wound around each other and exchanged segments of chromosomes. this is called and contributes to genetic variation. a) segregation b) crossing over c) nondisjunction d) allelic mixing
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When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity
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Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving
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In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?
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Take a close look at the chromosomes in division 1, when homologous chromosomes come together and fo...
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