PLEASE ANSWER ALL QUESTIONS! 1. Draw the chromosomes of a normal cell from a dip
ID: 1073711 • Letter: P
Question
PLEASE ANSWER ALL QUESTIONS! 1. Draw the chromosomes of a normal cell from a diploid organism in which 2n 4, lined up on the metaphase plate during mitosis. 2. a. Hemophilia is an example of an X-linked recessive disease. Draw and fill in a Punnett Square for a father with hemophilia and a mother who is a carrier. b. What is the probability that their sons will be affected by the disease? c. What is the probability that their daughters will be affected by the disease? 3. a. Draw a graph of the population size over time for a population of beetles, using the data below Population size Time (years) 25 100 15 104 102 b. Has this population reached its carrying capacity? 4. Draw the chromosomes of a normal cell from a diploid organism in which 2n 4, lined up on the ate during a) meiosis and b meiosis metaphase.Explanation / Answer
2.
Haemophilia affected father------------------------XhY
Carrier mother------------------------XhX
Xh
X
Xh
XhXh AFFECTED FEMALE
XXh
Carrier NORMAL FEMALE
Y
Y Xh AFFECTED MALE
XY NORMAL MALE
ANSWERS
=50%--AFFECTED AMONG SONS
OR
25%--AFFECTED AMONG ALL OFFSPRINGS
=========================
ANSWERS
=50%--AFFECTED AMONG DAUGHTER
O
25%--AFFECTED AMONG ALL OFFSPRINGS
Xh
X
Xh
XhXh AFFECTED FEMALE
XXh
Carrier NORMAL FEMALE
Y
Y Xh AFFECTED MALE
XY NORMAL MALE
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