# 7th Grade Science Test- Genetics

24 Questions  I  By Sfurtek
This is a quiz about Mendel, his contributions, Punnett Squares, Probability, and Genetics.

Changes are done, please start the quiz.

## Questions and Answers

 1 If Tall is the dominant trait and short is the recessive trait what letter(s) do you represent a short plant with?
 A. Ss
 B. Ss
 C. Tt
 D. Tt
 2 A Punnett Square shows all the possible combinations of what?
 A. Genes
 B. Alleles
 C. Coin Tosses
 D. Probability
 3 If a coin is tossed 10 times, what is the probability that it will land on heads? (answer is a percent)
 A. 50 times
 B. 5 times
 C. 50%
 D. 100%
 4 Mendel decided to cross pea plants with ____________ traits.
 5 When an organism has two different alleles for a trait they are said to be ________________. (two possible answers)
 A. Heterozygous
 B. Homozygous
 C. Hybrid
 D. Purebred
 6 The passing of physical characteristics from parent to offspring is __________.
 A. Genetics
 B. Traits
 C. Fertilization
 D. Heredity
 7 If the probability of something is 75% will the event really occur 75% of the time?
 A. Yes
 B. No
 C. I don't know
 D. It could but it does not all the time
 8 If a pea plant has a gray seed coat color, is that the pea plants phenotype of genotype?
 A. Phenotype
 B. Genotype
 C. Neither
 D. Both
 9 If a heterozygous chicken has both black and white feathers, they have neither a dominant or recessive trait. What is having neither a dominant or recessive trait called?
 A. A black and white chicken
 B. A White chicken with black
 C. Neither black or white feathers
 D. Codominance
 10 Black is the dominant color of bunny's fur, it can be expressed using what genotype combination?
 A. Bb
 B. BB
 C. Bb
 D. Just A and C
 E. Just A and B
 11 Mendel's experiments demonstrated that parents traits to not always go to their _________.
 12 When colored chips are pulled out of a bag AND NOT put back in, is the probability still independent?
 A. Yes
 B. No
 C. I don't know
 13 If a Purebred Tall Plant and a Purebred short plant are crossed when will be the outcome of the F1 generation?
 A. 100% Purebred Short
 B. 75% Tall and 25% Short
 C. 100% Tall
 D. 100% Purebred Tall
 14 When Mendel crossed the pea plants the trait that seemed to disappear happened to reappear. During what generation did it reappear?
 15 What is happening when pollen from one plant is put into another?
 A. Cross Pollination
 B. Brushing
 C. Fertilization
 D. None of the Above
 16 After Mendel died scientists began to recognize the importance of his ideas. They called him a name. What was the name that they called him?
 A. Father of Genes
 B. Father of Heredity
 C. Father of Genetics
 D. Father of Traits
 17 When the Dominant Allele is Green Pod Color and the Recessive Allele is a Pinched Pod Shape is it possible for an organism to have both of the traits?
 A. Yes
 B. No
 C. I don't know
 18 When a capital letter is used, what kind of allele is being represented?
 A. Recessive Allele
 B. Codominance
 C. Punnett Squares
 D. Dominant Allele
 19 In pea plants, the dominant trait for Seed Color is Yellow. What is the Recessive trait?
 20 When two identical alleles for a trait are in an organism, the organism is said to be ____________? (there are two possible answers)
 A. Heterozygous
 B. Homozygous
 C. Hybrid
 D. Purebred
 21 A wrinkled seed shape is the Recessive Allele, what is the Dominant Allele?
 A. Smooth
 B. Round
 C. Pinched
 D. Yellow
 22 What happens when an egg and sperm join?
 A. They develop similar genes
 B. A new organism is produced
 C. The pollen leaves the flower
 D. Self Pollination occurs
 23 Mendel wondered why different pea plants had _________ ____________?
 A. Different Genes
 B. Pollen
 C. Different Characteristics
 D. Many parents
 24 A penny is tossed 6 times and has landed on heads each time. Knowing those results is the penny going to land on heads the next toss?
 A. Yes
 B. No
 C. 50% chance of heads and 50% chance of tails
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