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WorksheetsOpenscied 8.5 Genetics
Total questions: 15
Worksheet time: 15mins
The actual trait is displayed (expressed) in an organism.
carrier
genotype
phenoytpe
trait
What do you think genetics is?
It is an allele whose trait always shows up in the organism when the allele is present.
(a)
An allele that is masked ( hidden ) when a dominant allele is present.
(a)
It is an organism's physical appearance or visible traits
(a)
He is the Father of genetics.
(a)
It is a sequence of DNA that codes for a particular characteristics.
(a)
It is the different version of a gene.
(a)
Why do the cells of your body need glucose?
for energy
to excrete
to absorb carbon dioxide.
What is the basic unit of heredity that carries genetic information?
Gene
Chromosome
DNA
RNA
Which of the following is an example of a homozygous genotype?
AA
Aa
aA
aa
In a genetic cross, what is the probability of obtaining a homozygous recessive offspring from two heterozygous parents?
25%
50%
75%
100%
Which process involves the exchange of genetic material between homologous chromosomes during meiosis?
Crossing over
Independent assortment
Segregation
Replication
What is the role of mRNA in the process of protein synthesis?
Carries the genetic code from DNA to the ribosome
Forms the structure of the ribosome
Brings amino acids to the ribosome
Catalyzes the formation of peptide bonds
Which of the following best describes a phenotype?
The physical appearance of an organism
The genetic makeup of an organism
The location of a gene on a chromosome
The number of chromosomes in a cell
