1. What is the difference between dominant and recessive alleles ? If the mutati

Question

1. What is the difference between dominant and recessive alleles? If the mutation that causes a disease is recessive how will it be inherited? Conversely if the mutation is dominant how will it be inherited?

2. Cancer is a genetic disease. Is cancer inherited? What is the difference between mutations that arise in somatic tissues versus germline tissues?

3. What is the difference between the different patterns of selection: directional, stabilizing, anddiversifying?

4. How do bacteria acquire genetic variation and how does that differ from the mechanism by which humans acquire variation?

5. What were the key observations made by Darwin to develop the basic tenants of the theory of evolution? Has this theory been tested?

Explanation / Answer

1.)
Dominant allele: one copy of gene is enough to precise its character. sometimes denoted by capital
eg: Tall in pea (T) TT and Tt each ar tall

Recessive allele: 2 copies of the gene is important to precise its character. Denoted by lower case
eg: Dwarf/short in pea
Only tt is brief.

Autosomal recessive inheritance : having an autosomal recessive disorder, we inherit 2 mutated genes, one from every parent. These disorders ar sometimes passed on by 2 carriers. Their health is never affected, however they need one mutated gene (recessive) and one gene (dominant ) for the condition.
X-linked recessive inheritance : it's a mode of inheritance within which a mutation in a very gene on the sex chromosome causes the composition to be expressed in males and females .

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.