Exam 4: Genetics and Patterns of Inheritance

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags
Match the number of the answer with each item
When genes function differently, depending on whether they were inherited maternally or paternally
Anticipation
The phenomenon in which a single mutant gene can affect multiple, unrelated systems
Pleiotropy
Environmental factors known to increase risks for birth defects
Premeditation
Correct Answer:
Verified
Premises:
Responses:
When genes function differently, depending on whether they were inherited maternally or paternally
Anticipation
The phenomenon in which a single mutant gene can affect multiple, unrelated systems
Pleiotropy
Environmental factors known to increase risks for birth defects
Premeditation
Disorders resulting from an interaction of multiple genes with environmental influences
Heterogeneity
Occurs when a specific phenotype can be caused by mutations of different genes
Incomplete penetrance
A tendency to have more severe manifestations or an earlier age of onset in succeeding generations
Imprinting
The lack of a recognizable phenotype in an individual who carries a mutation that may cause an autosomal dominant trait or condition
Multifactorial
Free
(Matching)
4.9/5
(23)
Correct Answer:
Verified

Match the number of the answer with each item.
Sperm cells from the testes and ova cells from the ovaries
Autosomes
The 23rd pair of chromosomes, identified as X and Y because of their role in gender determination
Somatic cells
Long arm on each side of a chromosome
Gametes
Correct Answer:
Verified
Premises:
Responses:
Sperm cells from the testes and ova cells from the ovaries
Autosomes
The 23rd pair of chromosomes, identified as X and Y because of their role in gender determination
Somatic cells
Long arm on each side of a chromosome
Gametes
Short arm on each side of a chromosome
Sex chromosomes
Cells in the body with the exception of those for reproduction
"p" arm
Includes all chromosomes with the exception of the two sex chromosomes
"q" arm
Free
(Matching)
5.0/5
(26)
Correct Answer:
Verified

Which of the following is not a rule of inheritance that Mendel described?

Free
(Multiple Choice)
4.9/5
(31)
Correct Answer:
Verified

A

Which of the following describes traits that manifest only when mutations are present in both copies of a gene?

(Multiple Choice)
4.7/5
(31)

What is the possibility that their offspring will be carriers of the condition?

(Multiple Choice)
4.9/5
(35)

Which of the following is not characteristic of 'X-linked inheritance'?

(Multiple Choice)
4.9/5
(35)

What is the recurrence risk for parents of a child with nonsyndromic cleft lip and/or palate with their next pregnancy?

(Multiple Choice)
4.7/5
(38)
Match the number of the answer with each item
When there is a single copy of the chromosome
Duplications
Occurs with Down syndrome
Mosaicism
A cause of velocardiofacial syndrome
Nondisjunction
Correct Answer:
Verified
Premises:
Responses:
When there is a single copy of the chromosome
Duplications
Occurs with Down syndrome
Mosaicism
A cause of velocardiofacial syndrome
Nondisjunction
When a part of a chromosome becomes separated and lost
Inversions
Failure of a pair of chromosomes to separate during cell division
Translocations
When the cells have different genetic content in a single individual
Deletions
When a portion of the chromosome is turned 180º from its original location
Monosomy
When there is a transfer of genetic material between two or more chromosomes
Trisomy
(Matching)
4.7/5
(27)

Which of the following results in Down syndrome?

(Multiple Choice)
4.9/5
(33)
Match the number of the answer with each item
A visual profile of an individual's chromosomes
Phenotype
The separation of the cell cytoplasm to form two distinct cells
Karyotype
A schematic drawing of the banding pattern of a chromosome
Cytokinesis
Correct Answer:
Verified
Premises:
Responses:
A visual profile of an individual's chromosomes
Phenotype
The separation of the cell cytoplasm to form two distinct cells
Karyotype
A schematic drawing of the banding pattern of a chromosome
Cytokinesis
A complete set of genetic instructions for a particular organism or species
Pedigree
A group of typical characteristics associated with a genetic condition
Ideogram
A pictorial representation of family members and their line of descent
Genome
(Matching)
4.7/5
(39)

In a case in which two individuals who are heterozygous carriers of an autosomal recessive condition have a child, what is the probability that the child is a carrier of a single copy of the mutation?

(Multiple Choice)
4.9/5
(38)

A woman and her husband are both heterozygous carriers of an autosomal recessive condition. What is the possibility that their offspring will have the condition?

(Multiple Choice)
4.9/5
(38)

What term is used to describe having two different alleles of a gene for a particular trait?

(Multiple Choice)
4.8/5
(31)
Match the number of the answer with each item.
A process where a complementary strand of DNA is created with a single strand
Gene
Variability in genes common in the general population
Transcription
Change in the sequence of a molecule of DNA
Replication
Correct Answer:
Verified
Premises:
Responses:
A process where a complementary strand of DNA is created with a single strand
Gene
Variability in genes common in the general population
Transcription
Change in the sequence of a molecule of DNA
Replication
The substance that carries hereditary information in bacteria
Mutation
A single, linear double strand of DNA with associated proteins
Polymorphism
Submicroscopic functional unit of heredity located in the nucleus of a cell created as a single complementary strand of a DNA template
DNA
The process of making two identical DNA molecules from one
RNA
Created as a single complementary strand of a DNA template
Chromosome
(Matching)
4.9/5
(25)

Which of the following changes in genes does not result in craniofacial anomalies?

(Multiple Choice)
4.8/5
(35)

Which factors) produces) the greatest risk for cleft lip?

(Multiple Choice)
4.9/5
(21)

Which of the following would be considered a threshold trait associated with multifactorial inheritance?

(Multiple Choice)
4.8/5
(34)
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)