A dihybrid cross produces 30 recombinant offspring out of a total of 1,000 offspring. What is the recombination frequency of the two gene pairs?
A) 6%
B) 3%
C) 30%
D) 1.5%
B
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A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA with proteins into a membrane-bound structure called a:
A. nucleolus. B. cell. C. nucleus. D. plasma membrane.
Fatty acid methyl ester (FAME) analysis is particularly important in public health because in this application, microbiologists seek to identify specific microbial pathogens in ________.
A. patient samples B. food and water C. genetic diseases D. genomic analysis
Genetics is the study of ________
A) mutation and recession B) heredity and variation C) diploid and haploid D) replication and recombination E) transcription and translation
Arabidopsis thaliana is a small plant commonly known as the thale cress or mouse-ear cress and has approximately 25,000 genes. The human genome also contains approximately 25,000 genes, yet a human is clearly more complex than this plant. Both species
have introns in their genes. Formulate a hypothesis to explain why a human is more complex than Arabidopsis even though the human and the plant have a similar number of genes. What will be an ideal response?