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WorksheetsGenetics - Vocabulary
Total questions: 22
Worksheet time: 16mins
Allele
Patrick Star's siren sound
a different version of a gene
A piece of DNA that codes for a trait
Genotype
the combination of alleles an organism has
a type of person named Geno
The way an organism looks
homozygous
both alleles in a genotype are different
both alleles in a genotype are the same
phenotype
the way an organism looks
A section of DNA
The allele combination an organism has
recessive gene
only expressed in homozygous pairings
always expressed when present
heterozygous
both alleles in a genotype are different
both alleles in a genotype are the same
dominant gene
only expressed in homozygous pairings
always expressed when present
What type of cells are these?
somatic
gamete
23 chromosomes
homologous chromosome
sex chromosome
sexual reproduction
haploid
Unlike mitosis, meiosis results in the formation of
Two genetically identical cells.
Four genetically different cells.
Four genetically identical cells
Two genetically different cells
In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is heterozygous?
RR
round
Rr
wrinkled
rr
In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is homozygous dominant?
RR
round
Rr
wrinkled
rr
In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, the offspring in box 4 would:
be white.
be heterozygous.
be gray.
be homozygous.
In the punnett square below, what belongs in the missing square
Which results in offspring that are genetically unique and display a combination of traits from each parent?
Sexual
Asexual
Neither
Both
Which type of reproduction results in offspring that are identical to the parent?
Sexual
Asexual
Neither
Both
