Item 23 refers to the following diagram which shows a pair of homologous
chromosomes, heterozygous for two gene
loci, Aa and Bb.

23.
If crossing over takes place in Region 1,
which of the following alleles will segregate
at Meiosis I?

a) A from a
b) a from a
c) b from b
d) A from A

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.