WorksheetsGenetics Bell Ringers A
Total questions: 10
Worksheet time: 5mins
Genes are segments of which material?
DNA
RNA
Proteins
Carbohydrates
Which of the following best describes a gene?
Its made of RNA in the nucleus.
It contains many chromosomes.
It contains genetic information that codes for a single trait.
It contains genetic information that codes for many traits.
The genetic makeup of an individual's traits can best be defined as.
Genotype
Phenotype
Heterozygous
Homozygous
You can look in the mirror and see your hair color. Which word is used to describe the physical appearance of that trait?
Genotype
Phenotype
Heterozygous
Homozygous
Which best describes a gene?
A segment of RNA that codes for a trait
A segment of DNA that codes for a chromosome.
A segment of DNA that codes for a trait.
A segment of RNA that codes for a chromosome.
Which best describes a chromosome?
A segment of RNA that codes for a trait.
A bundle of RNA packed in the nucleus of cells
A segment of DNA that codes for a trait.
A bundle of DNA packed in the nucleus of cells.
Which is the best example of a dominant trait?
Cystic fibrosis which is expressed when both parents are carrier for the disease.
Attached ear lobes, which is caused by two recessive alleles.
Tongue rolling, which can be done even if only one allele is inherited.
Tongue rolling, which can only be done if two recessive alleles are inherited.
Which is the best example of a recessive trait?
Attached earlobes
Tongue rolling
Freckles
Dimples
Which best describes inheritance patterns of sexually reproducing organisms?
Four alleles are inherited for every trait; two come from the mother and two come from the father.
Two alleles are inherited for every trait; both come from the father.
Two alleles are inherited for every trait; one from the father and one from the mother.
Two alleles are inherited for every trait; both come from the mother.
What may contribute to genetic variation?
Asexual reproduction
Extinction
Cloning
Sexual reproduction
