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PilotLPTM [1.2K]
3 years ago
15

Starting with a population of genetically identical mice, you discover two new independent mutant strains in which all of the an

imals have epileptic seizures. in both strains, you know that the epileptic seizures are due to a single dna mutation. you cross a mutant mouse from one strain to a mutant mouse from the second strain and find that none of their many offspring undergo spontaneous seizures. from this experiment you would conclude that the two mutant strains of mice most likely have mutations in:
Biology
1 answer:
Papessa [141]3 years ago
3 0
Had to look for the options and here is my answer. Based on the given experimentation above regarding some genetically identical mice, you would conclude that the two mutant strains of mice would most likely possess mutations in "<span>the same gene, but not necessarily the same DNA base position". Hope this answers your question.</span>
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The fundamental excitable cell in the nervous system is the _____. see concept 49.1 (page 1084)
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Neuron 

Neuron can be defined as excitable cell that usually carries, processes and transmit impulses or electrical signals. Thus, they are known to be basic unit of the nervous system which includes the spinal cord and brain. However, the signals between s neurons occur via certain connections called synapses.

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2 years ago
Purple flowers are dominant to white flowers. A heterozygous purple flower is crossed with a white flower. What are the probabil
Zanzabum

Answer:

50% probability of Pp (purple) or pp (white) genotype.

Explanation:

P = purple gene

p = white gene

Punnet squares show the possible genotypes and probabilities of each genotype in the offspring of a cross:

Purple flower genotype (heterozygous) = Pp

White flower genotype = pp

Punnet Square:

\left[\begin{array}{ccc}&P&p\\p&Pp&pp\\p&Pp&pp\end{array}\right]

Potential genotypes for offspring are Pp and pp;

According to the Punnett square, 2 of 4 offspring will have the Pp genotype and the other 2 will have pp genotypes;

This means 2 should be purple and 2 white;

Or, there is a 50% chance of having either genotype, of being purple or white.

8 0
3 years ago
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Consider this animal cell.<br> Which organelles are labeled G?
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Answer:

In the animal cell the organelles that is  labelled G is mitochondria.

Explanation:

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2 years ago
Thinking creatively about evolutionary mechanisms, identify at least two schemes that could generate allelic polymorphism in a p
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Complete question:

Thinking creatively about evolutionary mechanisms, identify at least

two schemes that could generate allelic polymorphism in a population except natural selection that favors heterozygotes.

<u>Select the two correct answers.</u>

-inbreeding among individuals in the population

-purifying selection against mutational variants of alleles in the population

-continuous migration of individuals with new alleles into the population

-mutations that do not severely affect viability and reproductivity

-genetic drift of alleles common in the population

-events leading to genetic bottleneck effect

Answer:

The two events that might favor heterozygotes among the options are  

  • The Continuous migration of individuals with new alleles into the population
  • Mutations that do not severely affect viability and reproductivity.  These might favor heterozygous frequencies.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Download pdf
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2 years ago
Which of the following is a producer in the food web shown above?
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The answer is B HOPE THAT HELPS

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