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Genetics

genotypes and phenotypes

QuestionAnswer
The genetic makeup of a cell is called its? Genotype
The physical traits of an organism is called its? Phenotype
An example of a phenotype is a cat who is Bb. (true/false) False
What are the possible genotypes for someone with curly hair. (use C as your letter) Cc, cc, CC
An example of a phenotype is a plant with yellow flowers. (true/false) True
Define allele are different versions of the same gene
A recessive allele is an allele that is weaker and can be overpowered. (true/false) True
The symbol for a recessive allele is a CAPITAL letter. False. !Bonus! What is the actual symbol?
A dominant allele overpowers a recessive allele. (true/false) True
The symbol for a dominant allele is a CAPITAL letter True
How many sets does an allele come in? From which parent? they come in sets of 2, one from mom and one from dad
Define Homozygous Dominant *(how many allleles?) 2 Dominant alleles
Define heterozygous *(how many allleles?) 1 dominant allele and 1 recessive allele
What letter case symbolizes Homozygous Dominant? 2 Capital letters
What letter case symbolizes a Heterozygous gene? 1 capital letter first followed by 1 lower case letter
Define Homozygous recessive *(how many allleles?) 2 recessive alleles
What letter case symbolizes Homozygous recessive gene? 2 lowercase letters
Curly hair is a dominant trait and straight hair is recessive. If a homozygous recessive man and a heterozygous woman have children, determine the genotypes and phenotype ratios. Genotype : Cc and cc 50% for each Phenotype: 50% curly and 50% straight hair
Created by: 1738986096209989
 

 



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