Which of the following statements is true about sex linked disorders?
a. Only the mother's chromosomes will determine the sex linked disorders of all of her children
b. Both parents' chromosomes will influence their daughters sex linked disorders equally.
c. The father's chromosomes will determine the sex linked disorders of his daughters.
d. The mother's chromosomes will determine the sex linked disorders of her daughters.
e. Only the father's chromosomes will determine the sex linked disorders of all of his children.
b
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The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which trait is least informative of phylogenetic relationships within the group?
A. A
B. B
C. C
D. D
E. E
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about cladistics?
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?
Inbreeding depression, the reduction in fitness of inbred organisms, often results from the reduced level of what (within the gene pool)?
What will be an ideal response?
In a comparison of birds and mammals, having four limbs is _____
A) a shared ancestral character B) a shared derived character C) a character useful for distinguishing birds from mammals D) an example of analogy rather than homology
At the end of the embryonic period, the embryo is about 12 inches long.
Answer the following statement true (T) or false (F)