Mendels Work-Probability and Genetics

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The passing of traits, or characteristics, from parents to offspring is called _________________.

A. heredity
______________ was a young priest who experimented with pea plants to study the inheritance of traits.

A. Gregor Mendel
A ___________ plant is one that produces offspring with the same form of a trait as the parent.

B. purebred
__________ are factors that control TRAITS.

a. alleles
b. phenotypes
c. genotypes
d. genes

d. genes
________ are different forms of a gene.

C. alleles
The female parent contributes one factor while the male parent contributes no factors.

True
False

False

BOTH the male and the female contribure factors.
Individual alleles control the __________________ of traits.

C. inheritance
A ___________ allele is one whose trait aalways shows up in the organism when the allele is present.

E. dominant
A ____________ allele is masked or covered up when the dominant allele is present.

E. recessive
A _____________ controlled by a recessive allele will only show up when the dominant allele is not present.

D. trait
A ________ is not a purebred plant because it has two different alleles for a trait.

E. hybrid
This man, because of his work, is often called the Father of Genetics.

D. Gregor Mendel
Which of the following is a dominant allele...

d. f^b

A. F

A dominant allele is always represented by a capital letter.
Which of the following is a recessive allele...

A. f

A recessive allele is represented with a lowercase letter.
This chart represents all the possible combinations of alleles that can result from a genetic cross.

B. Punnett square
A ____________ is an organism's physical appearance or visible traits.

C. phenotype
A ___________ is an organism's genetic makeup or allele combinations.

A. genotype
An organism that has two idential alleles for a trait is said to be _____________.

B. homozygous
An organism that has two different alleles for a trait is said to be _____________.

B. heterozygous
In ____________ , the alleles are neither dominant or recessive.

B. codominance
Which of the following is a codominant allele....
- D. F^b
- Codominant alleles are written as capital letters with a superscript.
Organisms with codominat alleles for a trait will show characteristics from ______ parent(s) for that trait.

A. both

Author

TGoodman

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Mendels Work-Probability and Genetics

Description

A Study Guide-Mendel's Work, Probaility and Geneitcs

Updated

2012-09-29T22:38:39Z

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