SBI3U – Assigned Homework
Friday, April 1, 2010
Read Section 7.1:
Genes, Chromosomes, and DNA
In notebooks, define and answer:
pages 188 – 193 (ONLY)
Karyotype
Label Figures 1, 2 & 3, as male or female.
Why did you designate the ‘male’ karyotype
as a male and the ‘female’ karyotype as a
female?
Figure 1
Figure 2
Paired chromosomes numbers 1 – 22 have a specific name,
what is this name?
Figure 3
Define sex linkage.
Describe what is so different between the two sex chromosomes?
What is the characteristic pattern of inheritance associated with X-linked traits?
Note how alleles are written in sex linkage problems:
Answer page 200:
Handout:
X and Y; with the trait observed superscripted on the Xh.
Understanding Concepts:
1, 2, 3, 4, and 6 a to c
Applying Inquiry/Communication Skills:
8, 9, 10a, to f, and 11
Linkage Worksheet (BLM 6.3-2)
*
X-Linkage Problems
Sex – Linked Problems