All isotopes of an element have a different number of ____.
A. electrons
B. protons
C. neutrons
D. orbital shells
E. atoms
Answer: C
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According to these data, what is the distance, in centimorgans, between these 2 gene loci? (Enter the number only without the units. For example, 100 cM would be entered as 100)
In the fruit fly Drosophila, there is a dominant gene for normal wings and its recessive allele for vestigial wings. At another gene locus on the same chromosome, there is a dominant gene for red eyes and its recessive allele for purple eyes. A male that was heterozygous at both gene loci was mated with a female that was homozygous for both recessive alleles and the following results were observed among the offspring: Normal wings and red eyes - 420 Vestigial wings and red eyes - 80 Normal wings and purple eyes - 70 Vestigial wings and purple eyes - 430 What will be an ideal response? Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about linkage mapping by recombination? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A forensic anthropologist, participating in a police investigation involving an unidentified corpse, announced that the body belonged to someone who had been left-handed. How was she able to decide this?
What will be an ideal response?
Under what conditions does one expect a 9:3:3:1 ratio?
What will be an ideal response?
Which of the following has the strongest influence on the ability of a male white-crowned sparrow to sing at all?
a. acoustical stimuli b. social interaction with any songbird c. visual stimuli d. social interaction with other white-crowned sparrows e. innate behaviors