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WorksheetsMendelian Genetics Part 1 (Vocabulary)
Total questions: 14
Worksheet time: 6mins
What is an allele?
an alternative form a gene
the correct form a gene
a mutated form a gene
the gene that is expressed
Organisms usually have at least ________ different alleles for each gene/trait.
1
2
3
4
Physical characteristics for this trait...what you see!!!
Genotype
Phenotype
What is the best definition of genotype?
the physical appearance of an organism
set of alleles for a given trait
Two copies of same allele; e.g. PP or pp
Homozygous
Heterozygous
Dominant
Recessive
1 copy of each allele; e.g. Pp (purple)
Homozygous
Heterozygous
Dominant
Recessive
If an allele is hidden or overshadowed by another allele, it is known as the _______________ allele.
dominant
recessive
Which of the following represents a genotype for flower color?
Purple
Pp
Which of the following represents a phenotype for flower color?
Purple
Pp
Which represents a homozygous recessive represents a genotype?
RR
Rr
Red
rr
Which statement is true of a plant with genotype TT and another with genotype Tt?
each would have differing phenotypes
all alleles are dominant
all alleles are recessive
both have the same phenotype
Bioloigical males have the sex chromosomes __
XXX
XX
XY
YY
Which of the following represents a homozygous recessive genotype?
TT
Aa
purple purple
yy
Which of the following is an example of an allele?
Tt
w
short wings
DNA
