click below
click below
Normal Size Small Size show me how
Higher Biology Two
SQA HIGHER BIOLOGY UNIT 2 NAB REVISION
Question | Answer |
---|---|
What links chromotid pairs? | centromere |
How are chiasmata formed? | crossing over |
in the first stage of mitosis what do both daughter cells inherit? | one chromosome from each pair of homologus chromosome pairs from the parental cell |
What is produced at the end of the first meiotic division? | two haploid daughter cells |
Name a source of genetic variation? | crossing over |
Name a source of genetic variation? (2) | Independent assortment of chromosomes |
Name a source of genetic variation? (3) | Fusing of gametes in sexual reproduction |
What does meiosis result in? | Four haploid daughter cells |
what is formed through the fusion of a sperm and an egg cell? | zygote |
What is a monohybrid cross? | a cross between two true breeding parents with different alleles of a single gene |