Biology - Heredity And Genetics Question Preview (ID: 45005)


Genetics And Heredity. TEACHERS: click here for quick copy question ID numbers.

Which of the following would be homozygous dominant for tall pea plants?
a) tt
b) TT
c) Tt
d) TT and Tt

What is a phenotype?
a) The physical appearance of an allele.
b) Letters used to denote an allele.
c) A trait that is always represented by lower case letters.
d) A trait found in most organisms.

What is a genotype?
a) The physical appearance of an allele.
b) Letters used to denote an allele.
c) A trait that is always represented by lower case letters.
d) A trait found in most organisms.

What is another name for a hybrid trait?
a) Recessive
b) Homozygous
c) Heterozygous
d) Dominant

Which of the following would be heterozygous for yellow pea plants?
a) yy
b) Yy
c) YY Yy
d) YY and Yy

What is another name for a purebred trait?
a) Recessive
b) Heterozygous
c) Homozygous
d) Dominant

Who is known as the father of genetics?
a) Gregor Mendell
b) Gregor Punnett
c) James Mendell
d) James Punnett

What is a dominant trait?
a) A trait that is larger than the others.
b) A trait that will mask or cover up a recessive trait.
c) A trait that is always represented by lower case letters.
d) A trait found in most organisms.

What is an allele?
a) A letter used to denote an allele.
b) The passing of physical and mental traits from one generation to the next.
c) One of two forms of genes.
d) Variations in the physical appearance

What is heredity?
a) The passing of physical traits only from one generation to the next.
b) The passing of physical and mental traits from one generation to the next.
c) The study of genes.
d) Variations in the physical appearance

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