AP Biologyeasymcq1 pt
What separates during meiosis I?
A.Homologous chromosomes
B.Sister chromatids
C.DNA strands into nucleotides
D.Ribosomes from mRNA
Explanation
Core Concept
Meiosis I pulls apart homolog pairs, halving chromosome number — the reductional division. Sister chromatids remain attached until meiosis II.
Correct Answer
AHomologous chromosomes
More Unit 5: Heredity practice questions
- mediumSickle-cell heterozygotes are generally asymptomatic under ordinary conditions and have increased resistance to severe malaria. The persiste…
- easyA homozygous recessive mother and a heterozygous father have a child. What is the chance the child shows the recessive phenotype?
- mediumHow many possible gamete types can an AaBbCc individual produce (unlinked genes)?
- hardWhich process is the same in mitosis and meiosis II?
- easySomatic cells in a human have 46 chromosomes; gametes have 23. Which division explains this?
Practice more AP Biology questions with full explanations
Practice Unit 5: Heredity Questions →