Ch. 11.1 The Work of Gregor Mendel

The scientific study of heredity is known as

• biology

• psychology

• genetics

• principle of dominance

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Fertilization is the process of

• the joining of the male an female reproductive cells

• cloning

• the development of an embryo

• recessive traits being masked

A specific characteristic of an individual, such as seed color or plant height, is known as a

• gene

• allele

• hybrid

• trait

A hybrid is an offspring resulting from

• parents with the same traits

• parents with different traits

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"Factors" passed from parents to offspring that are responsible for an individual's traits

• genes

• alleles

• hybrids

• traits

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Different forms of a gene, such as green and yellow seed color, are known as

• genes

• alleles

• hybrids

• traits

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Mendel's principle of dominance states that

• all alleles are dominant

• all alleles are recessive

• some alleles are dominant and some are recessive

• organisms only display recessive alleles

Segregation of alleles refers to the fact that

• both alleles for a gene from each parent are passed down to offspring

• one allele for a gene from each parent are passed down to offspring

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The sex cells (sperm & egg) are referred to as

• Somatic cells

• Gametes

• Alleles

• Genes

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What the organism displays or expresses

• Genotype

• Phenotype