Genetics Review Part 2 Question Preview (ID: 36705)


Genetics Review. TEACHERS: click here for quick copy question ID numbers.

(33) What's the difference between sex cells and body cells?
a) There is no difference.
b) Body cells have half the number of chromosomes as sex cells.
c) Sex cells have half the number of chromosomes as body cells.
d) Sex cells have double the number of chromosomes as body cells.

(29) Having genetically different offspring and more parental care are advantages of
a) asexual reproduction.
b) sexual reproduction.
c)
d)

(31) Which of the following is a similarity between sexual and asexual reproduction?
a) They both have 2 parents.
b) They both produce identical offspring.
c) They both have 1 parent.
d) They both pass genes from parent to offspring.

(27) Bacteria going through binary fission to create offspring is an example of
a) asexual reproduction
b) sexual reproduction
c)
d)

(23) What makes up a gene?
a) Tightly coiled up DNA
b) Chromosomes
c) Traits
d) RNA

(25) If two parents are involved in reproduction and the offspring are genetically different, what type of reproduction is this?
a) Asexual
b) Sexual
c)
d)

(25) If 1 parent is involved in reproduction and the offspring are genetically identical (clones), what type of reproduction is this?
a) Asexual
b) Sexual
c)
d)

(21) Where are genes located?
a) in the cytoplasm of cells.
b) on chromosomes.
c) in the nucleus of prokaryotes
d)

(19) What is DNA made of?
a) Sugar
b) Phosphate
c) Base (ATCG)
d) All of the Above

(18) Genes carry information that determine our
a) chromosomes.
b) DNA.
c) traits.
d) pedigree.

(16) The study of how traits are passed from parent to offspring is known as
a) genetics
b) heredity
c) dominant
d) recessive

(12) The genetic makeup of an organism (example: GG, Gg, gg)
a) allele
b) genotype
c) phenotype
d) homozygous

(10) A homozygous tall plant is crossed with a short plant, where tall plants are dominant. Give all the possible phenotypes and genotypes of the offspring and the possibility of each occurring.
a) Pheno: 0% Tall, 100% Short - Geno: 0% TT, 0% Tt, 100% tt
b) Pheno: 75% Tall, 25% Short - Geno: 25% TT, 50% Tt, 25% tt
c) Pheno: 100% Tall, 0% Short - Geno: 0% TT, 100% Tt, 0% tt
d) Pheno: 50% Tall, 50% short - Geno: 50% Tt, 50% tt

(8) The 4 squares inside the punnett square represent
a) the possible offspring.
b) the parents
c) The second generation
d)

(6) The passing of traits from parents to offspring is known as
a) genetics
b) heredity
c) genotype
d) phenotype

(4) Homozygous purple flowers and white flowers were crossed and resulted in all purple offspring. What does this tell us about purple flowers?
a) Purple and white flowers are co-dominant.
b) Purple flowers are dominant over white.
c) White flowers are dominant over purple.
d) Purple and white flowers show incomplete dominance.

(2) Who first described the principles of heredity?
a) Reginald Punnett
b) Charles Darwin
c) Gregor Mendel
d) Robert Hooke

(35) If a cell has 40 chromosomes, how many will it have after meiosis?
a) 20
b) 40
c) 80
d) 15

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