Hunter syndrome is a progressively debilitating recessive disorder that is inherited on the X chromosome.

A father without Hunter syndrome and an unaffected carrier mother have a child.
Which of the following statements is true?

Choose 1

(Choice A)
A
They have a 50% chance of having an affected daughter.

(Choice B)
B
They have a 100% chance of having an affected son.

(Choice C)
C
All of their children will be unaffected carriers.

(Choice D)
D
No daughter they have will be affected.

What is the first step in a life cycle of a plant reproduce sexually

List two new traits (structural or behavioral) that each new species of rat might demonstrate as it adapts to the conditions on two of the four islands. choose only two islands that are described in the lesson. record the island latter and the major habitat feature of the island. then list two new traits each rat subspecies might demonstrate in order to survive the habitat on that island. note: new traits should be unique to that island and be in response to that island’s habitat feature. i cannot remember islands that were names in the lesson so only answer if you have done the lesson (5.13 life science 7b) choose 2 of the islands and describe a structural and a behavioral trait for a rat on each island so 4 total answers, 2 different structurals and 2 different behaviorals, one for each rat for each island

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.