Life depends on cell division and reproduction of
Process involves transfer of genetic material.
STUDY UNIT 1
MITOSIS AND MEIOSIS
New somatic (body) cells genetic information stays
Klug, Cummings & Spencer Chapter 2
New sex c
GTS 161 - Practical 1 Memo - 2015
Pierce Chapter 2
A cells genetic information must be copied.
The copies of the genetic information must be separated from one another.
The cell must divide.
Centromere: serves as the point of attachment
GTS 161 - PRACTICAL 6 2015
Chapter 7 
17.In cucumbers, heart-shaped leaves (hl) are recessive to normal leaves (Hl), and having numerous
fruit spines (ns) is recessive to having few fruit spines (Ns). The genes for leaf shape and number
of spines ar
GTS 161 PRACTICAL 5 - 2015
36. In goats, a beard is produced by an autosomal allele that is dominant in males and recessive in
females. Well use the symbol Bb for the beard allele and B+ for the beardless allele. Another
GTS 161 PRACTICAL 5 MEMO - 2015
Beardedness is a sex influenced trait and coat colour is an autosomal trait.
B+Bb Ww BbBbww
Because beardedness and coat colour independently assort, we can treat them independently.
Beardedness: B+Bb BbBb
GTS 161 PRACTICAL 4 - 2015
CHAPTER 5: TEXTBOOK QUESTIONS
*13. Palomino horses have a golden yellow coat, chestnut horses have a brown coat, and cremello
horses have a coat that is almost white. A series of crosses between the three different types of
GTS 161 PRACTICAL 4 MEMO - 2015
13. Palomino horses have a golden yellow coat, chestnut horses have a brown coat, and
cremello horses have a coat that is almost white. A series of crosses between the three different
types of horses produced the followi
GTS 161 - Practical 3 2015
CHAPTER 3: TEXTBOOK QUESTIONS
11.[-] How is the chi-square goodness-of-fit test used to analyze genetic crosses? What does the
probability associated with a chi-square value indicate about the results of
GTS 161 Practical 2 Memo 2015
As these chromosomes are in interphase before the S-phase, each consists of only one
b. non-homologous chromosomes
d & e. homozygotic alleles
d & f.
GTS 161 - PRACTICAL 2 2015
ADDITIONAL QUESTIONS NOT IN TEXTBOOK
A1. Draw 2 pairs of chromosomes (in a non-dividing cell or G1 of interphase) and indicate the
following on the diagram: