Chromosomes And Inheritance

Question 1

Unrefrigerated milk will sour in 24 hours because fermentation of lactose in milk turns lactic acid rapidly growing bacteria by…

Answer 1

Binary fission

Question 2

True or false: 2 sister chromatids are always present in the cell nucleus

Answer 2

False

Question 3

Cytokinesis does not occur during…

Answer 3

Interphase

Question 4

What process produces 2 daughter cells that are identical to the parent cell?

Answer 4

Mitosis

Question 5

How would a dairy farmer clone some cattle for his farm to increase milk production?

Answer 5

Put the nucleus from a cow into a nucleus free egg cell and implant the embryo into a surrogate mother cow

Question 6

Which process does not result in genetic variation

Answer 6

Cloning

Question 7

How many gens to most alleles have?

Answer 7

2

Question 8

Sickle cell anaemia is caused by a recessive mutation of the haemoglobin gene. Assume a child is born to a couple and that the child has type O blood and sickle cell anemia. Neither parent has sickle cell. Th mother is type O. The father is type A. How many differently genotypes for these 2 traits are possible in the father?

Answer 8

2

Question 9

Sickle cell anemia is caused by a recessive mutation of the haemoglobin gene. Assume a child is born to a couple and that the child has type O blood and sickle cell anemia. Neither parent has sickle cell. The mother is type O. The father is type A. How many differently genotypes genotypes for these 2 traits are possible in the mother?

Answer 9

1

Question 10

What does most women having red hair also having freckles mean?

Answer 10

The genes for these 2 traits might be linked to