Biology, 16.10.2020 22:01 nicolecadet941
Two subgroups of a population separated by a river are rejoined when a
drought causes the river to run dry. Assuming that speciation has not yet
occurred, what is true about the two subgroups?
A. The likelihood that speciation will be completed will decrease.
B. New traits that resulted from mutation will not flow between the
subgroups.
C. The two subgroups will still be reproductively isolated and unable
to mate.
D. Speciation will speed up since there will be more competition
between the subgroups.
Answers: 3
Biology, 21.06.2019 19:00
Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.
Answers: 1
Biology, 22.06.2019 08:10
In sweet pea, gene c is responsible for color production and gene p is responsible for the purple color pigment. both of them are located on two different loci on different chromosomes. the flowers will be purple only when the plant has the genotypes as c_p_. no color will be produced with genotypes: ccpp, ccpp, ccpp, ccpp. thus, gene c controls the expression of gene p. what pattern of inheritance is exhibited here? a. pleiotropy b. epistasis c. multiple alleles
Answers: 1
Two subgroups of a population separated by a river are rejoined when a
drought causes the river to...
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