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The normal eye color of Drosophila is red, but strains in which all flies have brown eyes are available. Similarly, wings are normally long, but there are strains with short wings. A female from a pure line with brown eyes and short wings is crosssed with a male from a normal pure line. The F1 consists of normal females and short-winged males. An F2 is then produced by intercrossing the F1. Both sexes of F2 flies show phenotypes as follows:
3/8 red eyes, long wings3/8 red eyes, short wings1/8 brown eyes, long wings1/8 brown eyes, short wings
Deduce the inheritance of these phenotypes; use clearly defined genetic symbols of your own invention. State the genotypes of all 3 generations and the genotypic proportions of the F1 and F2.
Suppose you are a director of a ballet theater. After reading a book about the cell cycle, you are intrigued by the similarity between your night show and the cell cycle.
A woman with keratosis, a skin condition caused by a rare dominant allele, marries a normal man, and they have two children. What is the probability that both children are normal?
Compare changes in carbon cycle to that of the nitrogen cycle on human health. Create a conceptual graphical model for how changing the carbon cycle is likely to impact human health.
A somatic cell of a given plant species contains threebillion base pairs of nuclear DNA and 12 functional centromeres when observed at the conclusion of stage G2 of the cell cycle.
Relate the functions of lactose, copper, and tyrosine to how these reagents affected phenotype or gene expression of the bacterial transformants. That is, examine how and why the same bacterial sample may look different on each of the various plates.
Assume you performed a gram stain on a sample from a pure culture of bacteria and observed a field of red and purple cocci. Adjacent cell were not always the similar colour. What do you conclude.
Why can there be dissimilarity between heart rate averaged over 15 seconds and instantaneous heart rates. Suppose that green turtle grass ingestion time for the sea urchins has an approximate normal distribution.
Glycogen stored in muscles can be mobilized to supply metabolic energy by hydrolyzing individual glucose subunits from the polymer.
In the year following the fires, wildflowers sprouted in all burned areas, closely followed in subsequent years by seedlings of the trees that normally grow in the area, such as aspens and lodge poles pines. What changes in the Ecosystem will take pl..
Create an action potential and on the same graph inclde the changes in only the sodium conductance (gNa+). You can indicate the shape with solid line.
How various molecules of ATP are USED UP in the glycolysis pathway.
The DNA molecule is made up of two strands each of which is a sequence of sugar and phosphate molecules linked by covalent bonds.
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