What is codominance in genetics?
Punnett Squares

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Biology
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9th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Codominance is a form of inheritance where both alleles in a heterozygote are fully expressed, resulting in a phenotype that is neither dominant nor recessive. An example is a calico cat showing both orange and black fur.
2.
FLASHCARD QUESTION
Front
What is the difference between genotype and phenotype?
Back
Genotype refers to the genetic makeup of an organism (the alleles it carries), while phenotype refers to the observable traits or characteristics of that organism.
3.
FLASHCARD QUESTION
Front
If one brother has genotype BB and the other has genotype Bb, what can be said about their phenotypes?
Back
They have the same phenotype (brown eyes) but different genotypes.
4.
FLASHCARD QUESTION
Front
What is the probability of offspring having short tusks when a heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant?
Back
The probability is 50%.
5.
FLASHCARD QUESTION
Front
What does incomplete dominance mean in genetics?
Back
Incomplete dominance is a form of inheritance where the phenotype of a heterozygote is intermediate between the phenotypes of the two homozygotes.
6.
FLASHCARD QUESTION
Front
In the case of a red flowered plant (RR) and a white flowered plant (WW) exhibiting incomplete dominance, what percentage of the offspring will have pink flowers?
Back
100% of the offspring will have pink (RW) flowers.
7.
FLASHCARD QUESTION
Front
What is the definition of a dominant allele?
Back
A dominant allele is an allele that expresses its phenotype even in the presence of a recessive allele.
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