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BSC 170 Exam 1 Questions with Answers (100% Correct Answers)

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BSC 170 Exam 1 Questions with Answers (100% Correct Answers)

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BSC 170 Exam 1 Questions with Answers (100% Correct
Answers)

Basic type of experiment that mendel used Answer: Peas

- True breeding strains

-controlled matings

-grows to maturity in one season

- observable with 2 distinct forms

-recognized for transmission of hereditary traits

Dominance/Recessiveness Answer: In a pair of unit factors, one unit is

dominant, the other recessive

Segregation Answer: Paired unit factors segregate (separate)

independently during gamete formation

Genotype Answer: -Genetic Makeup of individual

- Alleles written in pairs (DD, Dd, or dd)

-Organism inherits two alleles


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-One from each parent

Phenotype Answer: Physical expression of a trait - how it looks

Monohybrid Answer: Reveals How One Trait Is Transmitted from

Generation to Generation

-crosses looking at one single trait across two generations

True-breeding

F1 Answer: offspring

F2 Answer: Offspring of F1 generation crossed (self-fertilizing:

"Selfing")

test cross Answer: One Character

-Determines if individual displaying dominant phenotype is

homozygous or heterozygous for that trait

-Cross between dominant phenotype and homozygous recessive

Homozygous Answer: Both alleles are the same (DD, dd)

Heterozygous Answer: - Alleles are different (Dd)


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