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WorksheetsModule 7: Patterns of Inheritance
Total questions: 22
Worksheet time: 28mins
An organism's observable traits
Genotype
Phenotype
Alleles
Autosomes
How many X chromosomes do most males have?
X-linked recessive genetic disorders are more common in (a) because they have (b)
Match the genotypes with the descriptions.
Homozygous dominant
AA
Heterozygous
Aa
Homozygous recessive
aa
Two identical copies of an allele.
(a)
What do filled in symbols mean in a pedigree chart?
A person who has the trait/disease
A person who does NOT have the trait/disease
Males
Females
Categorize the genetic disorders by type.
Down Syndrome
Huntington's Disesase
Tay-Sachs Disease
Hemophilia
Turner Syndrome
Marfan Syndrome
Sickle Cell Anemia
Red/green color blindness
Genetic disorder caused by nondisjunction of chromosome 21.
Down syndrome
Turner syndrome
Hemophilia
Huntington's Disease
Colorblindness is an X-linked recessive trait.
What would the genotype be of a colorblind male?
XBY
XBYb
XbY
XbYb
What are all the possible genotypes that would give someone the phenotype of Type A blood? Select ALL correct answers.
AA
AO
AB
OO
Match the trait with the type of inheritance
ABO blood types
Codominance
Height
Polygenic
Colorblindness
X-linked
On a pedigree chart, what symbol is used to represent female phenotypic sex?
(a)
A green plant (Gg) is crossed with a yellow plant (gg).
What is the chance their offspring have yellow pods?
Review from Module 5:
Sort the structures from lowest (1) to highest (4) level of organization.
Nucleotide
DNA
Chromosome
Sister chromatid
Review from Module 5:
Most humans have (a) pairs of chromosomes, which includes (b) pair(s) of sex chromosomes and (c) pair(s) of autosomes.
Review from Module 5:
Put the steps of gene expression in the correct order.
Transcription
RNA splicing and modification
Translation
Review from Module 6:
Meiosis is two rounds of cell division.
The first round of cell division is called (a) , and this is when (b) separate.
The second round of cell division is called (c) , and this is when (d) separate.
Review from Module 6:
Sex cells, such as sperm and eggs, which are produced by meiosis.
(a)
Review from Module 6:
Organize these options into the right categories
2 cells
4 cells
Diploid parent to diploid daughter cells
Diploid parent to haploid daughter cells
Same number of chromosomes
Half the number of chromosomes
Makes clones
Makes genetically unique cells
Review from Module 4:
Match the scientist with their important discovery about DNA
Rosalind Franklin
Took X-Ray pictures of DNA
Erwin Chargaff
Determined DNA base paring rules
Watson and Crick
Built the first accurate model of DNA
Hershey and Chase
Showed DNA was the hereditary material
Review from Module 4:
Match the enzyme involved in DNA replication with its function
DNA polymerase
Joins nucleotides to form new DNA
Primase
Makes primers
Ligase
Seals breaks in DNA
Helicase
Unzips two strands of DNA
