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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
identical
B
prokaryotic
C
diploid
D
haploid
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
haploid cells are produced by meiosis
C
haploid cells are produced by mitosis
D
diploid 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
chromosomes
C
genotype
D
alleles
4) If was say a flower is homozygous dominant what are we looking at?
A
alleles
B
genotype
C
chromosomes
D
phenotype
5) Organisms that have two identical alleles for a trait are said to be
A
heterozygous
B
hybrid
C
homozygous
D
dominant
6) Organisms that have two different alleles for a trait are said to be
A
heterozygous
B
purebred
C
homozygous
D
recessive
7) A gene that covers up another gene
A
dominant
B
phenotype
C
genotype
D
recessive
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
phenotype
C
genotype
D
recessive
10) The way you look because of your genes.
A
dominant
B
genotype
C
recessive
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
white
B
none of these
C
brown
D
tan
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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