Cells and Chromosomes

Question 1

4 ways embryonic stem cells are used to cure disease

Answer 1

Replace faulty cells
Beating heart muscle = cells for heart disease
Insulin producing cells = Diabetes
Nerve cells = Paralysed by spinal injuries

Question 2

Why are bone marrow transplants done?

Answer 2

Bone marrow contains stems cells that turn into new blood cells and replace faulty ones

Question 3

Which chromosome causes male characteristics?

Answer 3

Y chromosome

Question 4

What were Mendels 3 conclusions after experimenting with pea pods?

Answer 4

Characteristics in plants are determined by hereditary units
Hereditary units are passed on from both parents
Hereditary units can be dominant or recessive

Question 5

What is a dominant allele?

Answer 5

The alleles characteristic that’s shown

Question 6

What must happen for an organism to display a recessive characteristic?

Answer 6

Both Alleles must be recessive

Question 7

What is an allele?

Answer 7

Different versions of the same gene

Question 8

What is Homozygous?

Answer 8

Organism that has 2 alleles for a particular gene that are the same

Question 9

What is Heterozygous?

Answer 9

Organism that has 2 alleles for a particular gene that are different