Cyto-Mendelian Part 2
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22 Terms
“Two copies of a gene segregate/ separate from each other during the process that gives rise to gametes”
Law of Segregation
A cross between two parents with different variants for a given character
Monohybrid Cross
Is the Genetic Makeup (ex. Tt, TT, tt)
Genotype
Are the observable characteristics
Phenotype
True or False?
P Generation is Homozygous, while F1 Generation is Heterozygous.
True.
True or False?
The parents of F2 Generation can carry either the Dominant or Recessive Allele, but not both.
True.
What is the Outcome for the F2 Generation?
Genotype - 1:2:1
Phenotype - 3:1
Who introduced the Punnett Square?
Reginald Punnett
What were the 2 hypotheses of Gregor Mendel, on the two-factor crosses?
Linked Assortment
Independent Assortment
What Hypothesis did Gregor Mendel reject based on the two-factor crosses?
Linked Assortment
On two-factor crosses, during what generation did Mendel see “Non-parental” traits.
F2 Generation
"Two different genes will randomly assort their alleles during the process that gives rise to gametes"
Law of Independent Assortment
A cross between two parents with different variants for two given characters.
Dihybrid/Two-factor Crosses
Fusion of gametes from different individuals of the same species.
Cross Fertilization
Fusion of gametes from same individual.
Self Fertilization
What phase in Meiosis I, does the Law of Independent Assortment refer to?
Metaphase of Meiosis I (Attachment of Dyads are Random)
What are the Methods for Three or More-Factor Crosses?
What are the 3 RULES OF DOMINANCE
Complete Dominance
Incomplete Dominance
Codominance
True or False?
Dominance is Universal
False.
Heterozygote phenotype is indistinguishable from a homozygous parent.
Ex: BB vs Bb (both will have brown eyes)
Complete Dominance
The phenotype of the heterozygote falls between two homozygotes.
Ex: RR (red), rr (white), Rr (pink)
Incomplete Dominance
Heterozygote phenotype expresses both phenotypes simultaneously.
Codominance (No Allele was silenced).
Note 
Flashcards (22)