Hemophilia is a sex-linked recessive gene that causes a blood disorder. What are the chances that the daughter of a normal man and a heterozygous woman will have hemophilia?
A) 25% B) 0% C) 50% D) 100% E) 75%
B
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Edward Jenner injected individuals with ____ lesions to protect them from ____
a. chickenpox; smallpox b. smallpox; chickenpox c. smallpox; cowpox d. cowpox; smallpox e. cowpox; chickenpox
If heterochromatic spreading does not reach the new location of the w+ gene, and so the gene remains in the euchromatic region, what phenotype will the cells have?
What will be an ideal response?
When the sequence CGCAAUGCAAGGA is translated, the corresponding protein will be arginine-asparagine-alanine-arginine.
Answer the following statement true (T) or false (F)
Many genes in the human genome are no longer expressed because mutations have introduced stop codons within the coding sequence or transposons have disrupted gene function. These genes are now considered
A. pseudogenes. B. homologues. C. orthologs. D. paralogs.