A woman has her personal genome analyzed for the BRCA1 mutation after learning that her father is heterozygous and carries one mutant allele. What is her chance of inheriting the mutant allele from her father?0: men cannot transmit genes affecting breast cancer.a. 50%.b. 100%.c. 25%.d. 75%.

BRCA1 genes is a tumor supressor gene whose harmful mutation can cause hereditary breast ovarian cancer syndrome in both males and females. The BRCA actually stands for breast cancer.

Mutation in BRCA1 gene is heritable and every progeny of a carrier parent irrespective of the sex has a 50% chance of inheriting the trait from such parent, be it from the mother or the father.

Hence, the correct option is a.

Histrionicus Histrionicus · Answer 2 · 2021-12-07T12:04:59+01:00

In the given case, her chance of inheriting the mutant allele from her father - a. 50%

BRCA1 gene

is a tumor suppressor gene.
normally, these genes help keep breast, ovarian, and other types of cells from growing and dividing too rapidly or in an uncontrolled way.
Mutations in these genes lead to cancerous cells in females.
It can transmit from generation to generation regardless of gender.
Men become carriers of these genes
If a male has a mutated gene there are 50 -50 chances to get a mutated gene in his daughter or any offspring.

Thus, In the given case, her chance of inheriting the mutant allele from her father - a. 50%

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