The answer is b. all of her sons will inherit the allele for hemophilia.
Hemophilia is X-linked recessive disorder. It is known that there are two X chromosomes (one from a mother and one from a father) in females and one X chromosome (from the mother) and one Y chromosomes (from the father) in males. In females, X-linked recessive disorder has the same pattern of inheritance as an autosomal recessive disorder.So, if xh is recessive and xH is dominant allele, a mother which has xhxh genotype has the condition (so, c is not the right answer). Further, if a father has no condition, thus his genotype is xHy, their daughters will be carriers but without the condition (so, the choice a could be right only if we know that the father has hemophilia too (xhy). Therefore, since the mother (xhxh) will give her x chromosome to her sons, they will all inherit the allele for hemophilia, and choice b. is the right answer.
can i please get brainliest i need it for next rank
<h2>a) is the correct option </h2>
Explanation:
The extracellular domain of the transmembrane receptor protein acts as binding site for primary messenger molecule whereas the transmembrane domain holds the receptor within membrane and the cytosolic domain has intrinsic tyrosine kinase activity, all these helps in proper cell signaling
If because of any mutation there is change in shape of the extracellular domain then that molecule that normally binds to the receptor protein will no longer attach hence cellular response will be deactivated
A leukemia patient, can be treated using stem cells because these cells have the capacity to produce new cells.
Treatment of leukemia with stem cells includes the application of a blood stem cell transplant-haematopoietic stem cell transplant/a bone marrow or cord blood transplant.
Ninguna de las anteriores
Explanation:Las rocas sedimentarias se forman en la superficie de la tierra por ... Por esta razón, suelen presentar una disposición en capas denominada estratificación,que se denominan en función de los tamaños de grano mayoritarios. ... Estos huecos son normalmente rellenos por aguas ricas en CO3Ca