The house fly, Musca domestica, has a haploid chromosome number of 6. How many chromatids should be present in a diploid, somatic, metaphase cell?
A) 18 B) 24 C) 3 D) 12 E) 6
Answer: B
Biology & Microbiology
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a. to regulate nuclear envelope formation b. to facilitate nuclear transportation c. to provide additional chromosomal structure d. to disassemble the nuclear envelope e. to aid in microtubule formation during mitosis
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The difference in charge between the inside and outside of a cell is the:
What will be an ideal response?
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B cells present antigens to helper T cells via __________________.
What will be an ideal response?
Biology & Microbiology
What genetic phenomenon occurs when a dominant allele has different effects between heterozygous individuals and homozygous individuals?
A) codominance B) continuous variation C) incomplete dominance D) polygenic inheritance
Biology & Microbiology