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

Biology & Microbiology

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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.

Biology & Microbiology

Variant Creutzfeldt-Jakob disease is caused by errors in ____

a. DNA replication b. translation c. transcription d. protein folding e. RNA template replication

Biology & Microbiology

Which is a somatic sensation?

a. taste d. hearing b. smell e. taste, smell, and touch c. touch f. all of these

Biology & Microbiology

The main photosynthetic area of a leaf is composed

of a. mesophyll. b. cortex. c. xylem. d. epidermis. e. none of these.

Biology & Microbiology