Can I get some help. Thank you. How can having the heterozygous form of the Tay Sachs genotype be a blessing?O It may protect against TB.O It diminishes the pain caused by sickle cell anemia.O Harmful genes cannot be passed to the next generation.O Babies always die before they have a chance to grow up and reproduce. How can having the heterozygous form of the Tay Sachs genotype be a blessing?O It may protect against TB.O It diminishes the pain caused by sickle cell anemia.O Harmful genes cannot be passed to the next generation.O Babies always die before they have a chance to grow up and reproduce.

Answered: O It may protect against TB. OIt…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Can I get some help. Thank you.

How can having the heterozygous form of the Tay Sachs genotype be a blessing?
O It may protect against TB.
O It diminishes the pain caused by sickle cell anemia.
O Harmful genes cannot be passed to the next generation.
O Babies always die before they have a chance to grow up and reproduce.

Expert Solution

Step 1

Tay sacs disease is caused due to absence of an enzyme involved in breakdown of fat molecules. As a result of this there is build up of fat in the brain and spinal cord which leads to severe problems. It is autosomal recessive disorder. It is a type of disease in which two copies of the mutated gene must be present in order for the trait to develop.

Few points about autosomal recessive inheritance:

Trait skip generations
Transmitted by either sex
Distribution of the trait among sexes should be almost equal.
Affected person mating with unaffected person should produce 50% affected offspring.

Heterozygous genotype possess one of each allele for a particular trait.

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