Biology, 24.06.2019 13:00 mooreadrian412
Duchenne muscular dystrophy (md) is caused by a recessive allele located on the x chromosome (xd). affected people experience progressive weakening and loss of skeletal muscle. which of the sets of genotypes below would explain how two unaffected people (neither mom or dad have md) could have a child with duchenne md? a. option 1 b. mom is xdxd and dad is xdy c. mom is xdxd and dad is xdy d. mom is xdxd and dad is xdy
Answers: 1
Biology, 21.06.2019 20:00
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2
Answers: 1
Biology, 21.06.2019 20:20
2. what process do mrna and trna work together to complete? (3 points)
Answers: 3
Biology, 21.06.2019 22:00
Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.
Answers: 2
Biology, 22.06.2019 04:30
What is used to keep track of the gamates and possible offsprings combination
Answers: 2
Duchenne muscular dystrophy (md) is caused by a recessive allele located on the x chromosome (xd). a...
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