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Gregor Mendel And His Peas
Test Description: Complete the review questions
Instructions: Answer all questions to get your test result.
1) Mendel hypothesized that gametes have only one factor or allele for each inherited trait. This hypothesis is supported by the observation that
A
Diploid cells are produced by meiosis
B
Haploid cells are produced by meiosis
C
Diploid cells are produced by mitosis
D
Haploid cells are produced by mitosis
2) Once meiosis occurs gametes are formed with a reduced number of chromosomes. The gametes are described as being
A
diploid
B
homologous
C
haploid
D
uniploid
3) 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
Alleles
B
Phenotype
C
Genotype
D
Chromosomes
4) 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
chromosomes
C
phenotype
D
alleles
5) 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
White
C
Tan and white
D
Tan
6) 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
None of the above
B
White
C
Brown
D
Tan
7) 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
None of the above
B
Tan
C
Brown
D
White
8) 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
bw
B
BB
C
Bb
D
bb
9) Organisms that have two identical alleles for a trait are said to be
A
dominant
B
homozygous
C
heterozygous
D
hybrid
10) Organisms that have two different alleles for a trait are said to be
A
recessive
B
homozygous
C
purebred
D
heterozygous
*select an answer for all questions
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