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

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

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?

Biology & Microbiology