Question

Duchenne muscular dystrophy is an X-linked recessive disorder. A Punnett square is shown. The columns are labeled Upper X m and Upper Y. The rows are labeled x Upper M and x m. What is the probability that a female offspring of the cross that is shown above would have a recessive allele for Duchenne muscular dystrophy disorder?

Answer 1

Answer:

DMD is inherited in an X-linked patternbecause the gene that can carry a DMD-causing mutation is on the X chromosome. Every boy inherits an X chromosome from his mother and a Y chromosome from his father, which is what makes him male. Girls get two X chromosomes, one from each parent

Answer 2

GIRL WILL GET 2 X CHROMOSOMES FROM EACH PARENT

Explanation:

1. It is an inherited disorder with progressive muscular weakness
2. basically found in boys .
3. people with muscular dystrophy many have Duchenne syndrome. Girls can be carriers and mildly affected, but the disease typically affects boys.
4. the Symptoms it  include are  trouble getting up or running, waddling gait, frequent falls ,  learning disabilities and , big claves.
5. it do not have cure, but medication and physiotherapy , such as corticosteroids, can help control symptoms and improve the quality of life.