![subject](/tpl/images/cats/biologiya.png)
Biology, 20.07.2019 06:10 cheerthi16
Tay-sachs is an autosomal recessive disease. a couple (jack and jill) is worried about having a child who has tay-sachs, because jack had a brother with the deadly disease. since they wanted to have children, they sought the advice of a genetic counselor. during the course of the interview the counselor determined that jack’s parents were not affected with tay-sachs, yet his brother had it. what is immediately known about the genotypes of jack’s parents? is the genotype of jack immediately known? under what circumstances could jack and jill have a child with tay-sachs? assume that neither jack nor jill has tay-sachs.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 08:30
Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass
Answers: 3
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 23.06.2019 00:00
The largest unit within which gene flow can readily occur is a
Answers: 2
You know the right answer?
Tay-sachs is an autosomal recessive disease. a couple (jack and jill) is worried about having a chil...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 06.05.2020 08:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 06.05.2020 08:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 08:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 06.05.2020 08:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)