The probability that the daughter of a woman with a dominant disease-causing allele on one X chromosome and a normal male will be affected with the disorder is 50%.
- Men and women have different chances of passing on X-linked dominant conditions since men only have one X and one Y chromosomes, whereas women have two X chromosomes.
- All of a man's sons inherit his Y chromosome, and all of his daughters inherit his X chromosome.
- As a result, only his daughters will be afflicted if a man has an X-linked dominant ailment; his sons will not be affected.
- Each child of a woman inherits either one or the other of her X chromosomes.
- With each pregnancy, a woman who carries an X-linked dominant disorder on one of the X chromosomes has a 50% chance of giving birth to a child who carries the disorder be it boy or girl.
- Hence, the probability that the daughter of a woman with a dominant disease-causing allele on one X chromosome and a normal male will be affected with the disorder will be 50%.
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Answer:
His observations that chromosomes double is significant to the later-discovered theory of inheritance. ... His discoveries, known as Chargaff's Rules, proved that guanine and cytosine units, as well as adenine and thymine units, were the same in double-stranded DNA, and he also discovered that DNA varies among species
The answer is, "Iron and Nickel".