Allele-specific oligonucleotides (ASO) for the normal and disease alleles of a gene are in one section of a microarray. The disease is a recessive trait. If a probe made from an individual's genomic DNA hybridizes with both ASOs, what can be inferred about the individual?
A) The individual has two normal alleles.
B) The individual has the disease.
C) 50% of the individual's children are expected to be carriers.
D) One of the individual's parents has the disease.
C) 50% of the individual's children are expected to be carriers.
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At an autosomal gene locus in humans, the allele for brown eyes is dominant over the allele for blue eyes. At another gene locus, located on the X chromosome, a recessive allele produces colorblindness while the dominant allele produces normal color vision. A heterozygous brown-eyed woman who is a carrier of colorblindness has a child with a blue-eyed man who is not colorblind. An ultrasound test shows that the child is a girl. What is the probability that she will be colorblind? (Enter the probability as a percent. Enter the number only without the percent sign. For example, enter 100% as 100 and enter 12.5% as 12.5)
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 X-linked and autosomal inheritance? 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?
Most mineral ions that plants need are moved into the ____
a. symplast via active transport b. transmembrane pathway via bulk flow c. apoplast via facilitated diffusion d. symplast via facilitated diffusion e. the apoplast via bulk flow
Short index fingers (shorter than ring finger) are dominant in males and recessive in females, while
long index fingers (as long or longer than ring fingers) are dominant in females and recessive in males. Give the F2 genotype and phenotype resulting from the cross of a male with long fingers with a female with short fingers. What will be an ideal response?
Answer the following questions true (T) or false (F)
1. Like bacteriophage, when an animal cell virus enters a host cell, only the genome enters while the capsid remains outside the cell. 2. Naked viruses usually exit the animal host cell by budding while enveloped viruses exit by lysis. 3. All persistent viral infections occur when the virus integrates into the host cell DNA to form a provirus.