Worksheets20 Facts Post
Total questions: 14
Worksheet time: 9mins
Which organism from the video can revert to its embryonic stage?
"Blue-eyed humans have a single, common ancestor" is an example of a scientific...
Fact
Observation
Hypothesis
Experiment
Genes are NOT typically the only determinant of traits. Which of the following is the best explanation?
Genes only store information. Proteins determine traits
Environmental factors also influence how traits are expressed
Individuals can control and change what their traits are
Random chance is a major factor controlling many traits
Which of the following CANNOT be a reason identical twins have different fingerprints?
DNA mutation occurs in the zygote
DNA mutation occurs during embryonic development
Access to nutrition of each fetus in womb
Length of the umbilical cord
Which inheritance pattern explains why men with red beards outnumber those with red hair?
Red beards are the result of a dominant allele
Incomplete dominance. For red beards, only one recessive allele is required
Codominance. Heterozygous individuals display both alleles in a particular pattern
Chimeras. Hair colour is determined by one parent, beard colour by the other
Why might farmers want to breed cows that produce less methane?
Produce better tasting milk
Reduce farmyard odors
Methane is a greenhouse gas
Cows are less likely to get sick
What makes bananas sterile; unable to sexually reproduce?
Bananas are genetically modified to prevent sexual reproduction
Chromosomes must be equally divided during mitosis
Chromosomes must be equally divided during meiosis
Banana plants are a hybrid; grafted together from parents of 2 species
What does it mean when sciences like pharmacogenomics and cancer genomics are described as "predictive"?
They are able to provide a diagnosis before an event happens
They estimate the likelihood that an event will or won't happen
More research is needed before the science can be put to use
It is a label designed to sound impressive
Which of these is a major concern about the overuse of antibiotics?
There will be an antibiotic shortage
Antibiotics can cause secondary infections
It can lead to antibiotic-resistant microorganisms
Antibiotics will get into the water system
In what ways are microorganisms put to beneficial use in the video?
To produce human proteins for medical use
To remove pollutants from the environment
To decontaminate drinking water
To ferment the components of dairy-free products
Environmental DNA (eDNA) is LEAST likely to be used...
To identify individual organisms
To monitor populations of organisms
To genetically engineer new proteins
As an environmental health indicator
Octopus are...
Cnidarians
Cetaceans
Cephalopods
Cordyceps
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