Question

Here are 3 questions - one of each type: 1. Being an albino is a recessive trait. Cross 2 heterozygous parents and tell me the percentage of albino children that result 2. Cross a heterozygous type B x homozygous type A. Tell me the blood types of offspring. 3. Cross a carrier female x a man with hemophilia - what percentage of children have the disease? Work these out and I'll review them,

Answer 1

ANSWER :

1)There is 50% chance of getting albino children

Albino Cross 2 Hetero zygous x-linked recessive trait parents x xey a = Albino Cross ; Xха x xa xx ххо У XY х* Female carrier = xax = 25% Male Normal = ху 2 2S/. Female Albino z хаха 2s/. Male Albino ху, 24 2 2 50/. 2. So, there is 50% chance of getting "Albino chileben ·

2)The blood types of offsprings can be AB or A

2) Crew #клогчявил урс в х Нетогава tyre A Crels BO X AA A and B co-dominat О Recessive. B о A AB Ао AC = A3 97 Ао А ўхвор А Ао AB So, blood types of offsprings can be AB & A

3) 50% of children have the hemophilia disease

x thy Х 3) cross carrier female x man with Hemophilia h Hemophilia Hemophilia is xolinked recessive. Cross: Xxh xh female carrier Exhx)=25%. xh lxhx xhxh Male Normal (xy)-257. Female Hemophilia; 95). ? Y XY xhy 50% Male Hemophilia 7251. (x+y) so, 50% of children have the disease.