Share Biology Chapter 12 Review
Save to Folder
Which phase of Meiosis impacts genetic variation the most?
Telophase I
none of these
Metaphase I
Prophase I
A(n) ___________ is an offspring of parents that have different forms of a trait.
hybrid
all of these
allele
mutant
Cells produced after meiosis is complete are considered to be ___________.
zygotes
haploid
diploid
polyploid
All gametes are considered to be _______________.
polyploid
diploid
haploid
all of these
Which of the following best describes the definition of a gene?
a characteristic
an alternate form of a trait
location on a chromosome that codes for a specific trait
none of these
Which of the following genotypes would represent a homozygous recessive individual?
gg
gG
Gg
GG
During which phase of meiosis does the crossing over of homologous chromosomes take place?
anaphase I
prophase I
telophase I
metaphase I
Body cells are considered to be
haploid
polyploid
none of these
diploid
Mitosis is the division of ______________ and Meiosis is the division of _______________.
diploid cells, haploid cells
somatic cells, gametes
body cells, sex cells
all of these
Which of the following is an example of a gamete?
liver cell
none of these
sperm cell
brain cell
Which of the following is NOT a reason why Mendel chose to study pea plants?
He could use pollen from another type of pea plant
all of these
he could control the traits that he wanted to use
He could easily remove the female parts of the plant
Which of the following genotypes would exhibit the dominant phenotype?
both GG and Gg
gg
GG
Gg
Which of the following phenotypes would be expressed given the genotype tt?
the dominant phenotype
the heterozygous phenotype
the recessive phenotype
If you would cross a homozygous dominant individual with a heterozygous individual, what would be the phenotypic ratio of the possible offspring?
100% would show the recessive trait
25% would show dominant, 75% would show recessive
50% would show dominant, 50% would show recessive
100% would show the dominant trait
In a monohybrid cross, how many traits are being crossed?
2
3
1
4
In a dihybrid cross, how many traits are being crossed?
1
4
3
2
