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WorksheetsMendelian Genetics
Total questions: 20
Worksheet time: 10mins
Who is the "father" of modern genetics?
Gregor Mendel
Andreas Vesalius
James Watson
Charles Darwin
A _______ is an alternative form a gene.
chromosome
sister chromatid
allele
telomere
a trait that is always expressed if present is _____________________
Recessive
Dominant
Strong
True
a trait that is masked unless 2 copies are present is ________________________
recessive
dominant
weak
hidden
alleles for a trait that are the same
Homozygous
Heterozygous
Quasizygous
Juxtazygous
alleles for a trait that are the different
Homozygous
Heterozygous
Quasizygous
Juxtazygous
the physical/observable characteristic
phenotype
genotype
the organism's genetic makeup
phenotype
genotype
Select all that would be considered phenotypes:
Blonde
Rr
Short
rr
Select all that would be considered genotypes:
Blonde
Rr
Short
rr
Law of segregation states:
the two alleles for each trait separate during meiosis
the two alleles for each trait separate during mitosis
a random distribution of alleles occur during gamete formation
a ordered distribution of alleles occur during gamete formation
When alleles unite during fertilization, a ________________ is produced.
Hybrid
Lycan
Mud-blood
Law of independent assortment states:
the two alleles for each trait separate during meiosis
the two alleles for each trait separate during mitosis
a random distribution of alleles occur during gamete formation
a ordered distribution of alleles occur during gamete formation
Independent assortment happens:
during metaphase I of meiosis I
during metaphase II of meiosis II
during metaphase of mitosis
New combinations of genes are produced by:
crossing over
independent assortment
random fertilization
New combinations of chromosomes are produced through:
crossing over
independent assortment
random fertilization
New combinations of genomes are produced through:
crossing over
independent assortment
random fertilization
What genotype is homozygous dominant?
RR
Rr
rr
What genotype is homozygous recessive?
RR
Rr
rr
What genotype is heterozygous?
RR
Rr
rr
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