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Which phase of Meiosis impacts genetic variation the most?
none of these
Prophase I
Metaphase I
Telophase I
A(n) ___________ is an offspring of parents that have different forms of a trait.
all of these
hybrid
mutant
allele
Cells produced after meiosis is complete are considered to be ___________.
diploid
zygotes
polyploid
haploid
All gametes are considered to be _______________.
diploid
all of these
haploid
polyploid
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?
metaphase I
anaphase I
telophase I
prophase I
Body cells are considered to be
none of these
polyploid
diploid
haploid
Mitosis is the division of ______________ and Meiosis is the division of _______________.
all of these
body cells, sex cells
diploid cells, haploid cells
somatic cells, gametes
Which of the following is an example of a gamete?
sperm cell
liver cell
none of these
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
he could control the traits that he wanted to use
all of these
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 recessive phenotype
the heterozygous 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
50% would show dominant, 50% would show recessive
100% would show the dominant trait
25% would show dominant, 75% would show recessive
In a monohybrid cross, how many traits are being crossed?
1
3
4
2
In a dihybrid cross, how many traits are being crossed?
4
2
3
1
