I think it would be A. Because DNA always has your genes
Percentage of human sperm cells carry an X chromosome is C 50%
Chromosomal deletion is the loss of genetic code, caused by a segment of chromosome breaking away during DNA replication. The best answer is the third one, "when part of a chromosome breaks off and does not reattach."
The four muscles of the rotator cuff are the supraspinatus, infraspinatua, teres, and subcapularis. Hope this helps!
Answer:
1/4
Explanation:
The reason that the answer is 1/4 is because the young man, his grandfather, his father, and his mother equal 4 people. The young man is 1 person. 1 person/4 people = 1/4.