WorksheetsGenetics
Total questions: 21
Worksheet time: 11mins
Select all of the following genotypes that are considered Homozygous.
AA
bb
Hh
Dd
zz
Red flowers (R) are dominant over white flowers (r). Select the genotypes that would produce red flowers.
RR
Rr
rr
Rw
Gregor Mendel conducted many experiments on pea plants and set the foundation for genetics. Select all of the following concepts that Mendel discovered during his studies.
Mendel determined that some traits were dominant and would cover up other recessive traits.
Mendel determined that genotypes could be heterozygous or homozygous.
Mendel determined that one allele was given from each parent plant to its offspring.
Mendel used Punnett Squares to determine the specific genotype, phenotype, and number of plants for each offspring.
Alternant or different genes that code for the same trait are called?
chromosomes
segments
alleles.
homozygous.
If something is heterozygous, it is also _____
purebred
hybrid
dominant
recessive
Having two different genes for a trait is called
homozygous
heterozygous
protein
genotype
If something is homozygous, it can also be called____
phenotype
genotype
hybrid
purebred
What is an allele?
A gene
A genotype
A phenotype
Different forms of a gene
What is the genotypic ratio of the offspring?
3:1
1:3
1:2:1
2:2
Select all of the following genotypes that are considered Heterozygous.
AA
Bb
zz
Dd
Hh
In order for natural selection to occur, what must exist in a species?
Stability
Low mutation rate
Variation
What are the phenotype percentages of the offspring?
(A-Brown fur color; a-white fur color)
50 % Brown fur and 50% White fur
25 % Brown fur and 75% White fur
75 % Brown fur and 25% White fur
0% Brown fur and 100% White fur
What is this?
(a)
Section of a chromosome for a specific trait
Allele
Law of Segregation
Gene
Chromosome
Alleles are placed randomly in gametes
Law of Independent Assortment
Law of Segregation
Phenotype
Gene
