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Gregor Mendel And His Peas
Test Description: Genetics review questions.
Instructions: Answer all questions to get your test result.
1) In sexual reproduction two _________________ sex cells come together to form a new individual.
A
haploid
B
identical
C
prokaryotic
D
diploid
2) Mendel hypothesized that gametes have only one allele for each inherited trait. This hypothesis is supported by the observation that
A
diploid cells are produced by mitosis
B
diploid cells are produced by meiosis
C
haploid cells are produced by mitosis
D
haploid cells are produced by meiosis
3) Mendel looked at texture of the pea coat. If we said the pea coat was smooth what are we looking at?
A
phenotype
B
genotype
C
alleles
D
chromosomes
4) If was say a flower is homozygous dominant what are we looking at?
A
genotype
B
chromosomes
C
alleles
D
phenotype
5) Organisms that have two identical alleles for a trait are said to be
A
dominant
B
heterozygous
C
homozygous
D
hybrid
6) Organisms that have two different alleles for a trait are said to be
A
heterozygous
B
homozygous
C
recessive
D
purebred
7) A gene that covers up another gene
A
recessive
B
genotype
C
dominant
D
phenotype
8) A gene that is covered up by another gene
A
recessive
B
dominant
C
genotype
D
phenotype
9) The genes that make up your genetic code
A
dominant
B
genotype
C
phenotype
D
recessive
10) The way you look because of your genes.
A
recessive
B
dominant
C
genotype
D
phenotype
11) Guinea pigs have brown or white fur. The allele for brown is dominant to the allele for white. What would be the phenotype of a guinea pig that is Bb?
A
tan
B
white
C
brown
D
none of these
12) Guinea pigs can have brown or white fur. The allele for brown is dominant to the allele for white. What would be the genotype of a guinea pig with white fur?
A
Bb
B
b
C
BB
D
bb
*select an answer for all questions
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