A man who carries a harmful sex-linked (on the X chromosome) gene will pass the gene on to
A) half of his daughters.
B) half of his sons.
C) all of his sons.
D) all of his daughters.
E) all of his sons and daughters.
D
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All of the following are true statements about events that occur in the apicomplexan life cycle EXCEPT
A. The haploid and diploid generations alternate. B. The sporozoite is the motile infective stage. C. Often two completely different organisms host different stages of the life cycle. D. The life cycles include both sexual and asexual stages. E. There is no exception here. All of these statements are true.
Variant Creutzfeldt-Jakob disease is caused by errors in ____
a. DNA replication b. translation c. transcription d. protein folding e. RNA template replication
Which is a somatic sensation?
a. taste d. hearing b. smell e. taste, smell, and touch c. touch f. all of these
The main photosynthetic area of a leaf is composed
of a. mesophyll. b. cortex. c. xylem. d. epidermis. e. none of these.