10 Questions
What determines short wings in fruit flies?
The genotype
In a nucleosome, what is the DNA wrapped around?
Histones
Which statement is true about the hierarchical arrangement of DNA?
The 30 nm chromatin fiber is thicker than the nucleosome
During mitosis, metaphase has what amount of genetic material compared to G1?
double the
When do sister chromatids begin to move apart in animal cells?
anaphase
What does an allele represent?
A variant of a gene
Which sentence correctly describes Mendel’s Laws of Heredity?
They are the segregation of genes and the independent assortment of alleles.
In a testcross for the pea plant, if 45 out of 92 F1 pods were yellow, what was the green parent’s genotype?
Yy
In peas, if half of the F1 plants produced flowers at the top in a testcross, what was the axial parent’s genotype?
Tt
A 9:3:3:1 phenotypic ratio is characteristic of:
Two genes with one allele each
Test your knowledge of genetics and molecular biology with this quiz covering topics such as fruit fly genetics, nucleosomes, and the hierarchical arrangement of DNA.
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