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WorksheetsGenetics and Punnett
Total questions: 23
Worksheet time: 23mins
What is a GENOTYPE?
the letters that represent the genes of an organism
the physical trait of an organism
mitosis
meiosis
PHENOTYPE is
the genetic make-up of an organism
the physical features of an organism
nucleic acid
Aa
The prefix "homo" means
different
same
tomorrow
never
The prefix "hetero" means
different
ugly
fancy
same
Which of the following represents alleles for the homozygous dominant genotype?
Aa
aa
AA
Which of the following represents alleles for the homozygous recessive genotype?
Aa
aa
AA
Which of the following represents alleles for the heterozygous genotype?
Aa
aa
AA
If A = red fur and a = white fur, what color fur would Aa be? (complete dominance)
red
white
purple
blue
If A = red fur and a = white fur, what color fur would aa be? (assume complete dominance)
red
white
purple
blue
If A = red fur and a = white fur, what are the PHENOTYPIC ratios of the offspring based on the Punnett Square?
25% heterozygous
50% purple
75% red fur and 25% white fur
25% homozygous recessive, 50% heterozygous, 25% homozygous dominant
The physical characteristics that are passed down from parents to offspring.
Genotype
Traits
Genes
Heredity
The study of heredity
Genetics
Phenotype
Genes
Traits
The different forms of a gene...
Allele
Heredity
Genotype
Phenotype
The heterozygous genotype produces a phenotype that shows a BLEND of the dominant trait and the recessive trait.
Incomplete dominance
Complete dominance
Codominance
Half dominance
The heterozygous genotype produces a phenotype that shows BOTH the dominant trait and the recessive trait SIMULTANEOUSLY
Incomplete dominance
Complete dominance
Codominance
Unclear dominance
How many chromosomes do humans have?
46
21
10
