Color blindness is a recessive X-linked trait. A normal couple has a color-blind child. Who else in this family is probably color blind?
A. the child's maternal grandfather
B. the child's maternal grandmother
C. the child's paternal grandfather
D. the child's paternal grandmother
E. the child's maternal grandmother or grandfather
A. the child's maternal grandfather
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In which group can sex-linked traits be expressed?
A) males only B) females only C) either males or females D) carriers only
In E. coli, genes make up ______ of the DNA.
A) less than 5% B) at least 10% C) at least 50% D) at least 90% E) 100%
Which of the following groups is most closely related to the tracheophytes?
A. Bryophytes B. Charophytes C. Rhodophytes D. Chlorophytes
Discuss three issues associated with the Human Genome Project and genetic testing that might have either ethical,
legal, or social implications in the future. What will be an ideal response?