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1. In a species of plant, two genes control flower color. The red allele (R) is dominant to the white allele (r); the color producing allele (C) is dominant to the non-color producing allele (c). You suspect that either an rr homozygote or a cc homozygote will produce white flowers. To test your hypothesis, you allowed heterozygous plants (RrCc) to self-fertilize and counted the offspring in each phenotypic class. You obtained the following data: 201 plants with red flowers and 144 with white flowers.
a. State your null hypothesis for the mode of inheritance for flower color in this species. Be specific about the type of gene interaction in your hypothesis.
b. Conduct a chi-square analysis to see if your observed data are consistent with your hypothesis.
Why is DNA able to store large amounts of knowledge
The maltose transporter maltoporin spans the outer membrane of E. coli. It is comprised of 18 successive antiparallel Beta - strands arranged like the staves of a barrel to create a channel through the membrane.
Select an organism which consists of a population having two distinct traits. You can be creative here (red and green beetles, humans with red hair and brown hair, birds with short beaks and long beaks and so on).
What is the possibility that they will have a daughter that has the disease. Vitamin-D resistant rickets is a sex-linked dominant trait.
It is determined that the human immune system synthesizes 10 8 – 10 10 antibodies. The portion of a typical active in binding antigen consists of two variable domains each containing one hundred amino acids.
A person in the car accident shows the following symptoms: extreme paresis on right side, involving the arm and leg; reduction of the pain sensation on left side.
Which phenomenon accounts for movement of these genes. Because a doughnut contains large quantity of energy that can become available for our metabolism when eaten, why isn't the doughnut "jumping" all over counter or hot to the touch.
Epigenetics refers to the modification of genes that affect the DNA sequence itself.
What is the estimated efficiency of cellular respiration for a mutant organism that produces only 29 mole of ATP for every mole of glucose oxidized, sooner than the usual 36-38 moles of ATP.
There they discover his mitochondria can use only fatty acids and amino acids for respiration, and his cells produce more lactate than normal. Of the following, which is the best description of his condition.
Explain why there are no male offspring with the allele combinations
A major evolutionary trend among plants is: A reduction in size of the gametophyte and an increase in size of the sporophyte. A reduction in size of the sporophyte and an increase in size of gametophyte.
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