9 Questions
In co-dominance, what happens to the contributions of both alleles?
They are both visible in the phenotype
What is the result of the incomplete expression of the dominant trait (R) in plants with genotype Rr?
Pink flowers
What is an example of intermediate dominance mentioned in the text?
Antirrhinum flower color inheritance
How do lethal genes affect the Mendelian segregation of traits?
Result in nonviable offspring and affect typical ratios
What ratios are described for both phenotypic and genotypic outcomes in generation F2 with regards to lethal genes?
1:2:1
Which phenomenon describes when two or more dominant alleles for a gene are functional and expressed in combination?
Co-dominance
In which scenario are both phenotypic outcomes expressed equally due to the interaction of two alleles?
Bb Andalusian fowl plumage color inheritance
'The classical Mendelian segregation of 3/4 dominants to 1/4 recessive occurs when gametes unite at random.' What observation led to this conclusion?
Yellow fur in mice progeny
What term describes the situation when the genotypic and phenotypic ratios are both 1:2:1 in a certain generation?
Incomplete dominance
Test your knowledge on Drosophila melanogaster genetics by determining the genotypes of traits like body color, eye shape, eye color, and wing shape. Understand how to analyze offspring from genetic crosses to infer genotypes.
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