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Imagine that your friend is working in a mouse genetics lab at CSU. She observes a mutant phenotype with a yellow coat that differs from the white coat of the mice she normally works with. When she crosses the yellow mice with inbred white mice, she gets a 1:1 ratio of yellow and white offspring, making her think that the yellow mice are heterozygous. However, when she crosses two apparently heterozygous yellow mice she gets an approximately 2:1 ratio of yellow to white mice, rather than the more familiar 3:1 Mendelian ratio. Her advisor does not believe her results and sends her back to the mouse room to generate more data. After rearing hundreds and hundreds of mice, your friend has great statistical confidence that the ratio is very close to 2:1 and definitely not 3:1, but she still does not know how to explain it to her advisor. Can you provide an explanation that is consistent with your friendâs data and the principles of Mendelian segregation to get her out of the mouse room
You have read the literature about a lab that has isolated a gene for red pigmentation from petunias. The gene sequence is available in the database.
Identify a population group with a high prevalence of sickle cell disease other than Africans. List six genetic diseases that are more common among Ashkenazi Jews than among other population groups
Spinal cord damge interrupts descending motor tracts that act to suppress the activity of th spinal motor neurons. Use this information, and the muscle stretch reflex pathway, to explain why someone with a spinal cord injury can ahve muscle spasms b..
1. one condition that seems to lead to senescence and not apoptosis in stem cells isa. shortening of telomeres below a
A mixture of Asp, His, Ser, and Lys applied to an anion-exchange column and the amino acids were eluted.- What would be the correct elution sequence?
Now you conduct breeding experiments with the elusive Torero turtle. You see that they come in two colors, but the colors are controlled by two genes that are on separate chromosomes.
What are major threats of metabolic acidosis complicated by alcoholic ketoacidosis and what acid-base abnormality can accompany salicylate (such as aspirin) intoxication?
how does DNA replication ensure genetic constancy during cell division.
A huge amount of water-- to L--moves from the blood into the bowel every day, through osmosis and digestive secretions. Since people only have L of blood, why don't they die from losing all the water from their blood into the bowel? What will the ..
q1. in drosophila a cross was made between a yellow-bodied male with vestigial not fully developed wings and a
how can You characterize a new enzyme's kinetics. No, the activity does not change with increasing enzyme concentration correctly. The enzyme may be only active in a dimer that forms a high concentration.
What's the difference between different types of bone marrows. What are all the spincters in the digestive system in order.
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