No generations or hybrid would form before meselson and stahl would have observed evidence of a band in the cscl gradient.
The conservative model predicts that, following a single replication, half of the newly formed DNA double helices will be made entirely of the original, or old, DNA, and the other half will be entirely new. Then, each double helix would be completely replicated during the second round of replication. After that, 25% of the double helices would be all new, and 25% would be entirely old. Thus, the fraction of entirely new DNA double helices would increase with each succeeding round of replication, but the total number of completely unique DNA double helices would remain constant. Therefore, no hybrid DNA molecule containing 14N and 15N is replicated in the conservative model.
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Because the mother cell has divided to give two new daughter cells.
All the lactating females in a pride suckle cubs showing no favoritism for their own offspring. The reason for this is that each lioness is enhancing her own genes' success by helping to raise her sisters' offspring. Mothers give birth to up to 6 cubs at a time but litters of 2 or 3 are more common.
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the eyebrows are proximal to the jaw
