Gregor Mendel And His Peas Question Preview (ID: 10398)
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Mendel hypothesized that gametes have only one factor or allele for each inherited trait. This hypothesis is supported by the observation that
a) Haploid cells are produced by mitosis
b) Diploid cells are produced by mitosis
c) Haploid cells are produced by meiosis
d) Diploid cells are produced by meiosis
Once meiosis occurs gametes are formed with a reduced number of chromosomes. The gametes are described as being
a) diploid
b) homologous
c) uniploid
d) haploid
Mendel experimented with garden peas. One of the traits he looked at was texture of the pea coat. If we said the pea coat was smooth what are we looking at?
a) Genotype
b) Phenotype
c) Chromosomes
d) Alleles
Mendel experimented with pea plants. One of the traits he looked at was flower color. If we said the flower was homozygous dominant what are we looking at?
a) genotype
b) phenotype
c) chromosomes
d) alleles
Guinea pigs have brown or white fur. The allele for brown is dominant (B) to the allele for white (b). What is the phenotype for a guinea pig with a Bb genotype?
a) Brown
b) Tan
c) White
d) Tan and white
Guinea pigs have brown or white fur. The allele for brown is dominant (B) to the allele for white (b). What is the phenotype for a guinea pig with a bb genotype?
a) Brown
b) Tan
c) White
d) None of the above
Guinea pigs have brown or white fur. The allele for brown is dominant (B) to the allele for white (b). What is the phenotype for a guinea pig with a BB genotype?
a) Brown
b) Tan
c) White
d) None of the above
Guinea pigs have brown or white fur. The allele for brown is dominant (B) to the allele for white (b). What is the genotype for a guinea pig with a white coat phenotype?
a) BB
b) Bb
c) bb
d) bw
Organisms that have two identical alleles for a trait are said to be
a) homozygous
b) heterozygous
c) hybrid
d) dominant
Organisms that have two different alleles for a trait are said to be
a) homozygous
b) heterozygous
c) purebred
d) recessive
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