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bio 1201 gregg exam 3 Questions With 100% Correct
Answers.
the units of heredity and are made up of segments of DNA - (answers)genes
how many chromosomes do humans have in the nucleus of their somatic cells? - (answers)46
chromosomes (23 pairs)
the two chromosomes in each pair are called... - (answers)homologous chromosomes/homologs
each pair of homologous chromosomes includes... - (answers)one chromosome from each parent
what does meiosis result in - (answers)4 haploid daughter cells
what does meiosis 1 do - (answers)separates homologous chromosomes
when does crossing over and synapsis occur - (answers)prophase 1
what does meiosis 2 do - (answers)separates sister chromatids
mitosis vs meiosis - (answers)Mitosis: one division forming 2 identical cells (clones); Meiosis:
two divisions forming 4 genetically different cells
meiosis 2 is similar to mitosis because... - (answers)sister chromatids separate
how do different alleles occur - (answers)through mutation
, 2
what 3 things contribute to genetic variation - (answers)crossing over, independent assortment,
random fertilization
when does independent assortment occur? - (answers)metaphase I of meiosis
random fertilization - (answers)any sperm can fertilize any egg
the mating of 2 true-breeding varieties - (answers)hybridization
p generation - (answers)true-breeding parents
f1 generation - (answers)hybrid offspring of the P generation
f2 generation - (answers)offspring of the F1 generation
alternative versions of a gene - (answers)alleles
the specific spot where a gene resides on a chromosome - (answers)locus
two alleles for a heritable character separate during gamete formation and end up in different
gametes - (answers)law of segregation
organism with two identical alleles for a character - (answers)homozygote
organism with two different alleles for a gene - (answers)heterozygote
bio 1201 gregg exam 3 Questions With 100% Correct
Answers.
the units of heredity and are made up of segments of DNA - (answers)genes
how many chromosomes do humans have in the nucleus of their somatic cells? - (answers)46
chromosomes (23 pairs)
the two chromosomes in each pair are called... - (answers)homologous chromosomes/homologs
each pair of homologous chromosomes includes... - (answers)one chromosome from each parent
what does meiosis result in - (answers)4 haploid daughter cells
what does meiosis 1 do - (answers)separates homologous chromosomes
when does crossing over and synapsis occur - (answers)prophase 1
what does meiosis 2 do - (answers)separates sister chromatids
mitosis vs meiosis - (answers)Mitosis: one division forming 2 identical cells (clones); Meiosis:
two divisions forming 4 genetically different cells
meiosis 2 is similar to mitosis because... - (answers)sister chromatids separate
how do different alleles occur - (answers)through mutation
, 2
what 3 things contribute to genetic variation - (answers)crossing over, independent assortment,
random fertilization
when does independent assortment occur? - (answers)metaphase I of meiosis
random fertilization - (answers)any sperm can fertilize any egg
the mating of 2 true-breeding varieties - (answers)hybridization
p generation - (answers)true-breeding parents
f1 generation - (answers)hybrid offspring of the P generation
f2 generation - (answers)offspring of the F1 generation
alternative versions of a gene - (answers)alleles
the specific spot where a gene resides on a chromosome - (answers)locus
two alleles for a heritable character separate during gamete formation and end up in different
gametes - (answers)law of segregation
organism with two identical alleles for a character - (answers)homozygote
organism with two different alleles for a gene - (answers)heterozygote
