Sexual Reproduction Quiz
Preview:
In sexually reproducing organisms, how many gametes are needed for fertilization?
A. 2
B. 23
C. 46
D. 20,000
Which of the following is true about evolution?
A. It describes change over time
B. It is fueled by genetic variation
C. It requires survival and reproduction
D. All of the above
A human has 46 chromosomes in their body cells. What is the haploid number?
A. 46
B. 92
C. 23
D. 12
How do gametes differ from other cells in the body?
A. They don’t carry genes
B. They each contain instructions for one trait
C. They contain one copy of each chromosome
D. They reproduce asexually
The Pacific ridley sea turtle has 56 chromosomes. How many chromosomes would its offspring receive from each parent?
A. 1
B. 28
C. 56
D. 112
Without sexual reproduction, life on Earth would likely be:
A. All plants
B. Less diverse
C. Less evolved
D. More complex
Which of the following organisms is most likely to reproduce asexually?
A. Leopards
B. Bacteria
C. Goldfish
D. Sunflowers
A picture of all the chromosomes inside a cell is called a ______________?
A. Prokaryotype
B. Eukaryotype
C. Karyotype
D. Kariotype
Which of the following helps a species adapt to a changing environment?
A. Having fewer offspring
B. Having more offspring
C. Decreasing genetic variation
D. Increasing genetic variation
Genes carry two sets of instructions for each trait in the form of:
A. Chromosomes
B. Alleles
C. Gametes
D. DNA
Which of the following is true about chromosomes?
A. They are identical in both parents
B. They double every generation
C. They each carry one gene
D. They are chunks of DNA
A dog has 78 chromosomes in its body cells. What is the diploid number?
A. 78
B. 39
C. 1
D. 100
Sexual reproduction results in organisms with more:
A. Genetic variety
B. Positive traits
C. Chromosomes
D. Offspring
Which type of cell division would turn a diploid cell into a haploid cell?
A. Mitosis
B. Meiosis
C. Fertilisation
D. Reproduction
What sex chromosome(s) would a diploid cell from a woman contain?
A. Y
B. X
C. XY
D. XX
