Flashcards in Diverstity Amd Selectiom Deck (13):
Do gametes have a haploid or diploid number of chromosomes
What is the haploid number for humans
In sexual reproduction two gametes join together at fertilisation to form a what?
Name two examples of gametes
Is a zygote diploid or haploid
What is crossing over
During meiosis, homologous chromosomes pair up. The chromatids twist around each other and bits of chromatids swap over
In mitosis do the cells produced have the same number of chromosomes as the parent cell or half the number of chromosomes??
In meiosis do the cells produced have the same number of chromosomes as the parent cell or half the number of chromosomes??
In mitosis how many daughter cells are made
In meiosis how many daughter cells are produced
What is the order of classification
What is a genetic bottleneck
An event that causes a big reduction in a pollination.
This reduces the number of different alleles in a gene pool and so reduces genetic diversity