Q: Which equation would you use to calculate the probability of two independent events both occurring?

$P(A \text{ and } B) = P(A) \times P(B)$

Question 1

Which of the following best describes the primary focus of human genetics?

Accepted Answer

The study of inheritance as it occurs in humans, encompassing a variety of overlapping fields.

Question 2

Gregor Mendel is known as the 'Father of Genetics' because he:

Accepted Answer

Discovered the principles of inheritance through experiments with pea plants.

Question 3

Which of the following is NOT a branch of human genetics as shown in the course materials?

Accepted Answer

Botanical Genetics

Question 4

A pedigree assignment in human genetics is most useful for:

Accepted Answer

Tracing the inheritance of genetic traits within a family.

Question 5

Which principle of Mendel states that alleles for different traits segregate independently during gamete formation?

Accepted Answer

Principle of Independent Assortment

Question 6

In a dihybrid cross between two heterozygous individuals ($AaBb 	imes AaBb$), what is the expected phenotypic ratio in the F2 generation?

Accepted Answer

$9:3:3:1$

Question 7

Archibald Garrod is considered the first human geneticist because he:

Accepted Answer

Applied Mendel's laws to the inheritance of a human disease (alkaptonuria).

Question 8

Which of the following is a correct definition of genotype?

Accepted Answer

The genetic makeup of an organism, represented by its alleles.

Question 9

A patient with alkaptonuria has a mutation in the gene responsible for the degradation of which amino acid?

Accepted Answer

Phenylalanine

Question 10

Which of the following best explains why all diseases have a genetic component?

Accepted Answer

Genetic variation influences susceptibility, progression, and response to treatment for most diseases.

Question 11

If a child inherits one mutant allele from each parent for a recessive disorder, what is the probability that the child will express the disorder?

Accepted Answer

$100\%$

Question 12

Which of the following is a correct application of the principle of segregation?

Accepted Answer

During gamete formation, the two alleles for a trait separate so that each gamete receives only one allele.

Question 13

A pedigree chart is most likely to be used in which scenario?

Accepted Answer

Determining the inheritance pattern of a rare genetic disorder in a family.

Question 14

Which of the following is a multifactorial genetic disorder?

Accepted Answer

Type 2 Diabetes

Question 15

Which equation would you use to calculate the probability of two independent events both occurring?

Accepted Answer

$P(A 	ext{ and } B) = P(A) 	imes P(B)$

Question 16

Which of the following is a correct definition of phenotype?

Accepted Answer

The observable physical or biochemical characteristics of an organism.

Question 17

Which of the following is NOT a classical genetic disorder?

Accepted Answer

Type 2 Diabetes

Question 18

A heterozygous genotype can be represented as:

Accepted Answer

$Aa$

Question 19

Which online resource provides detailed information about Mendelian inheritance in humans?

Accepted Answer

OMIM (Online Mendelian Inheritance in Man)

Question 20

A patient presents with darkening of urine and joint pain. Family history reveals similar symptoms in previous generations. Which genetic principle best explains the inheritance pattern?

Accepted Answer

Autosomal recessive inheritance, as seen in alkaptonuria.

Introduction to Human Genetics: Concepts, Branches, and Study Strategies

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