BIOL 1500: Final Exam review UPDATED
Exam Questions and CORRECT Answers
What number and types of chromosomes are found in a human somatic cell? - CORRECT
ANSWER - 44 autosomes and 2 sex chromosomes
in a typical animal, mitosis produces __________ while meiosis produces _________ -
CORRECT ANSWER - two diploid daughter cells , four haploid gamete cells
The M phase checkpoint ensures that all chromosomes are attached to the mitotic spindle. If this
does not happen cells would most likely be stuck in which phase? - CORRECT
ANSWER - Metaphase
what protein holds sister chromatids together and is separated by seperase? - CORRECT
ANSWER - Cohesin
which of the following answers describes crossing over in meiosis - CORRECT
ANSWER - the exchange of homologous portions of non sister chromatids
The likelihood of recombination between two gene loci on the same chromosome is - CORRECT
ANSWER - greater as the distance between two loci inreases
which occurs during meiosis but not mitosis - CORRECT ANSWER - crossing over of
chromosomes occurs, recombination
True or False: Meiosis 1 reduces the genome by half, but meiosis 2 is pretty much like mitosis -
CORRECT ANSWER - True
True or False: at the end of anaphase 1, the cell has gone from diploid to haploid - CORRECT
ANSWER - True
Exam Questions and CORRECT Answers
What number and types of chromosomes are found in a human somatic cell? - CORRECT
ANSWER - 44 autosomes and 2 sex chromosomes
in a typical animal, mitosis produces __________ while meiosis produces _________ -
CORRECT ANSWER - two diploid daughter cells , four haploid gamete cells
The M phase checkpoint ensures that all chromosomes are attached to the mitotic spindle. If this
does not happen cells would most likely be stuck in which phase? - CORRECT
ANSWER - Metaphase
what protein holds sister chromatids together and is separated by seperase? - CORRECT
ANSWER - Cohesin
which of the following answers describes crossing over in meiosis - CORRECT
ANSWER - the exchange of homologous portions of non sister chromatids
The likelihood of recombination between two gene loci on the same chromosome is - CORRECT
ANSWER - greater as the distance between two loci inreases
which occurs during meiosis but not mitosis - CORRECT ANSWER - crossing over of
chromosomes occurs, recombination
True or False: Meiosis 1 reduces the genome by half, but meiosis 2 is pretty much like mitosis -
CORRECT ANSWER - True
True or False: at the end of anaphase 1, the cell has gone from diploid to haploid - CORRECT
ANSWER - True
