Biology, 02.10.2019 18:10 randallmatthew6124
In cats, the dominant o allele of the x-iinked orange gene is required to produce orange fur, the recessive o allele of this gene yields black fur. a. tortoiseshell cats have coats with patches of orange fur alternating with patterns of black fur. approximately 90% of all tortoiseshell cats are females. what type of crosses would be expected to produce female tortoiseshell cats? b. suggest a hypothesis to explain the origin of male tortoiseshell cats. c. calico cats (most of which are females) have patches of white, orange, and black fur. suggest a hypothesis for the origin of calico cats.
Answers: 2
Biology, 21.06.2019 23:30
Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.
Answers: 1
Biology, 22.06.2019 13:00
In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.
Answers: 3
Biology, 22.06.2019 14:30
How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.
Answers: 2
In cats, the dominant o allele of the x-iinked orange gene is required to produce orange fur, the re...
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