HTHRHSC 2500 Exam 2 Final Test
Questions Already Solved Correct
(2025).
conceiving new life - Answer -fertilization/conception
-gametes --> sperm and ovum
-zygote
Multiple Births - Answer Dizygotic twins and Monozygotic twins
Mechanisms of Heredity - Answer - Genetic Code
- DNA/Chromosomes: 23 pairs, one sex pair
- What determines gender?
- Genes: most are inactive
- Epigenesis: genes are only activated when they are supposed to be activated
What is dominant and recessive inheritance? - Answer A pattern of genetic transmission
where dominant alleles mask the effects of recessive alleles.
What is the difference between homozygous and heterozygous? - Answer Homozygous refers
to having two identical alleles for a trait, while heterozygous refers to having two different
alleles.
What is polygenic inheritance? - Answer A pattern of inheritance where multiple genes
influence a trait.
What are mutations? - Answer Changes in the DNA sequence that can lead to variations in
traits.
What is the difference between genotype and phenotype? - Answer Genotype refers to the
genetic makeup of an organism, while phenotype refers to the observable traits.
What is multifactorial transmission? - Answer A pattern of inheritance that involves both
, Which parent usually contributes to sex-linked inheritance? - Answer The mother
What is the chromosomal abnormality associated with trisomy 21? - Answer Down syndrome
What is genetic testing used for? - Answer To determine the likelihood of a disorder, disease,
or abnormality.
What does genetic engineering involve? - Answer Manipulating genes, including techniques
like IVF and addressing conditions like sickle cell.
What is the purpose of genetic counseling? - Answer To inform individuals about the chances
of genetic disorders after testing.
DNA/Chromosomes - Answer 23 pairs of chromosomes, including one sex pair.
Gender Determination - Answer Gender is determined by specific genetic combinations.
Inactive Genes - Answer Most genes in an organism remain inactive.
Epigenesis - Answer Genes activate only when necessary during development.
Mechanisms of Heredity - Answer Processes through which traits are passed to offspring.
Behavioral Genetics - Answer how do genes affect your behavior? Born with it.
What is "measuring heritability" - Answer measuring the likelihood of a trait being attributed
to genetics (0=0%, 1=100%)
- family studies
- adoption studies
- twin studies
Questions Already Solved Correct
(2025).
conceiving new life - Answer -fertilization/conception
-gametes --> sperm and ovum
-zygote
Multiple Births - Answer Dizygotic twins and Monozygotic twins
Mechanisms of Heredity - Answer - Genetic Code
- DNA/Chromosomes: 23 pairs, one sex pair
- What determines gender?
- Genes: most are inactive
- Epigenesis: genes are only activated when they are supposed to be activated
What is dominant and recessive inheritance? - Answer A pattern of genetic transmission
where dominant alleles mask the effects of recessive alleles.
What is the difference between homozygous and heterozygous? - Answer Homozygous refers
to having two identical alleles for a trait, while heterozygous refers to having two different
alleles.
What is polygenic inheritance? - Answer A pattern of inheritance where multiple genes
influence a trait.
What are mutations? - Answer Changes in the DNA sequence that can lead to variations in
traits.
What is the difference between genotype and phenotype? - Answer Genotype refers to the
genetic makeup of an organism, while phenotype refers to the observable traits.
What is multifactorial transmission? - Answer A pattern of inheritance that involves both
, Which parent usually contributes to sex-linked inheritance? - Answer The mother
What is the chromosomal abnormality associated with trisomy 21? - Answer Down syndrome
What is genetic testing used for? - Answer To determine the likelihood of a disorder, disease,
or abnormality.
What does genetic engineering involve? - Answer Manipulating genes, including techniques
like IVF and addressing conditions like sickle cell.
What is the purpose of genetic counseling? - Answer To inform individuals about the chances
of genetic disorders after testing.
DNA/Chromosomes - Answer 23 pairs of chromosomes, including one sex pair.
Gender Determination - Answer Gender is determined by specific genetic combinations.
Inactive Genes - Answer Most genes in an organism remain inactive.
Epigenesis - Answer Genes activate only when necessary during development.
Mechanisms of Heredity - Answer Processes through which traits are passed to offspring.
Behavioral Genetics - Answer how do genes affect your behavior? Born with it.
What is "measuring heritability" - Answer measuring the likelihood of a trait being attributed
to genetics (0=0%, 1=100%)
- family studies
- adoption studies
- twin studies
