An organism has 18 chromosomes in its body cells. Its sex cells have 9 chromosomes.
Which statement correctly explains this?
Its body cells are haploid and a result of mitosis.
Its sex cells are diploid and a result of mitosis.
Its sex cells are haploid and a result of meiosis.
Its body cells are diploid and a result of meiosis.
The correct statement is: Its body cells are diploid and a result of mitosis.
Which statement describes an advantage of asexual reproduction?
Asexual reproduction results in variations in DNA.
Asexual reproduction causes less competition for resources.
Asexual reproduction is faster than sexual reproduction.
Asexual reproduction requires more energy than sexual reproduction.
The correct statement is: Asexual reproduction is faster than sexual reproduction.
In which step of meiosis do chromosomes first condense?
telophase I
telophase II
prophase I
prophase II
Chromosomes first condense during prophase I of meiosis.
In the 1950s, a fungus nearly wiped out an entire species of bananas that were produced through cloning.
Which explains why the fungus had such a strong impact on the bananas?
The bananas had a lack of genetic variation.
The fungus had a lack of genetic variation.
The bananas were not resistant to weed killer.
The fungus was not resistant to weed killer.
The correct statement is: The bananas had a lack of genetic variation.
Which process results in two identical cells?
meiosis
replication
fertilization
mitosis