In an X-linked dominant trait, affected males pass the trait only to daughters.
Answer the following statement true (T) or false (F)
True
Since daughters must inherit an X chromosome from their fathers, they would receive an X chromosome with the dominant trait. Sons do not inherit their father's X-chromosome and will not be affected.
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A high school student is carrying out a science project. She plants alfalfa seeds, and encloses an area planted with one set of alfalfa seeds within a box covered in red cellophane (which reflects light of red wavelengths)
She leaves another set of planted alfalfa seeds uncovered. What do you expect she'll find in these two alfalfa populations when her science project is over? A. Germination rates will be the same in both seed sets. B. The germination rate will be lower in the uncovered seed set. C. The germination rate will be higher in the uncovered seed set.
Which of the following is classified as a flatworm?
a. trematodes b. polyps c. medusa d. rotifers
The average heart of a human beats ____ times per minute
a. 10 b. 53 c. 72 d. 95 e. 120
The condition known as cri-du-chat syndrome in humans has a genetic constitution designated as ________
A) trisomy B) triploidy C) 45, X D) 46, 5p- E) heteroplasmy