Genetics: Question Preview (ID: 30001)

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When Mendel crossed pure tall pea plants with pure short pea plants, all of the offspring were tall because the gene for tall is...
a) Recessive
b) sex-linked
c) a factor
d) dominant

The likelihood that a particular event will occur is called a....
a) Chance
b) Punnett square
c) Probability
d) Recessive

The male reproductive part of a flower is the...
a) Stigma
b) Sepal
c) Ovary
d) Stamen

A tall plant is crossed with a short plant. The phenotype would be...
a) All short
b) All tall
c) 50% short, 50% tall
d) 75% tall, 25% short

The long, black hair of a cat is part of its...
a) Phenotype
b) Allele
c) Genotype
d) Linkage map

The alleles BB for black hair and LL for long hair are part of the cat's....
a) Phenotype
b) Allele
c) Genotype
d) Linkage map

The _______ is the second generation of offspring from a cross of two organisms.
a) P generation
b) F1 generation
c) F2 generation
d) P2 generation

A(n) __________ is a different form of gene.
a) Autosome
b) Sex-linked trait
c) Allele
d) Hybrid

The sperm of plants are in tiny grains of ________.
a) Hybrids
b) Ovules
c) Pollen
d) Anthers

A cross between two different traits is called a _______ cross.
a) Hybrid
b) Purebred
c) Polar
d) Nonpolar

A dog that has identical genes for brown fur is __________for that trait
a) Monohybrid
b) Dihybrid
c) Homozygous
d) Heterozygous

A pea plant has one gene for yellow flowers and another gene for white flowers. This plant is ________for flower color.
a) Heterozygous
b) Homozygous
c) Recessive
d) Dominant

The _______ of an organism describes how it looks
a) Recessive gene
b) Phenotype
c) Autosome
d) Linkage map

The __________ of an organism shows genes for that trait.
a) Geneotype
b) F2 generation
c) Linkage map
d) Testcross

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