Biology, 14.03.2020 04:12, marcoantonioperezpan
A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes are absolutely conserved, which of the following would be the best choice on which to base the phylogeny?
A) genes involved in chitin synthesis
B) collagen genes
C) genes involved in directing segmentation development
D) genes involved in eye-lens synthesis
Answers: 2
Biology, 21.06.2019 16:30, mckinleesmomp6qj1e
Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or
Answers: 1
Biology, 21.06.2019 22:00, iwantcandy2002
Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the
Answers: 1
Biology, 22.06.2019 08:00, cailinhannon4828
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4
Answers: 2
A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assumi...
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