Punnett Square And Introduction To Genetics Practice Question Preview (ID: 15730)


Punnett Square And Introduction To Genetics Practice Questions. TEACHERS: click here for quick copy question ID numbers.

The physical characteristics of an organism are its
a) phenotype
b) mutations
c) genotype
d) hybrid

Who is called the Father of Genetics?
a) Gregor Mendel
b) Watson and Crick
c) Correns
d) Punnett

If genes for white flowers hide genes for red flowers, the “red” genes are
a) Recessive
b) Dominant
c) Hybrid
d) Incomplete

Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is probably what type of trait?
a) Recessive
b) Dominant
c) Crossed
d) Environmental

One cat is heterozygous, long hair (Rr), and it mate carries homozygous short hair (rr). What is the probability of the offspring having short hair?
a) 50%
b) 100%
c) 25%
d) 75%

In Geckos spots are dominate to striped. If two Gecko that are RR and rr what is the possibility of the offspring being spotted?
a) 100%
b) 50%
c) 25%
d) 0%

What is the study of heredity called?
a) Genetics
b) Environmental
c) Natural Selection
d) Evolution

R is the allele for brown hair and r is the allele for blonde hair. What color hair would a person with Rr have?
a) brown
b) blonde
c) purple
d) rainbow

A black cow and brown bull are mated. Each is homozygous and black is dominant to brown. What is the chances that the offspring will be brown?
a) 0%
b) 25%
c) 75%
d) 50%

When two alleles are the same they are
a) Homozygous
b) Heterozygous
c) Hybrid
d) Crossed

Green (G) is the dominant color for pods of pea plants. Yellow (g) is recessive. What is the phenotype of the following genotype: GG
a) Green
b) Purple
c) Yellow
d) Purple

Green (G) is the dominant color for pods of pea plants. Yellow (g) is recessive. What is the phenotype of the following genotype: Gg
a) Green
b) Purple
c) Yellow
d) Orange

Green (G) is the dominant color for pods of pea plants. Yellow (g) is recessive. What is the phenotype of the following genotype: gg
a) Yellow
b) Green
c) Pink
d) Blue

In purple people eaters, one-horn is dominant to no horns. If two heterozygous purple people eaters were crossed how many of the offspring would have horns?
a) 75%
b) 25%
c) 50%
d) 100%

If green leaves are dominant over yellow-striped leaves. What color leaves would you see with the genotype Rr.
a) Green
b) Yellow striped
c) Purple
d) Orange

If green leaves are dominant over yellow-striped leaves. What color leaves would you see with the genotype rr.
a) Yellow Striped
b) Green leaves
c) Purple
d) Orange

Mendel studied what type of plants
a) Peas
b) Strawberries
c) Cherries
d) Apple

Which one of these allele sets are homozygous?
a) RR
b) Li
c) Rr
d) Qq

The alleles in heterozygous are
a) one capital letter and one lower case
b) two capital letters
c)
d)

6. An organism that has genes which are alike for a particular trait is called a
a) purebred
b) mutation
c) hybrid
d) cross bred

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