Lecture 5

Question 1

Mitochondrial and chloroplast genes are inherited from the female parent (from the egg cell during fertilization). Why?

Answer 1

Due to the space of the egg, it contains a lot more space than sperm.

Question 2

A mode of uniparental inheritance from the mother is called ______________. Fill in the blank.

Answer 2

Uniparental

Question 3

How are mitochondrial genes inherited?

Answer 3

Maternally (mom).

Question 4

Most mitochondrial genes encode proteins that are part of your ATP synthase and the protein complexes of the electron transport chain. If these are mutated or damaged, it can affect your nervous system and metabolic functions. For example, _________________ can be caused and result the optic neuron degeneration over time. Fill in the blank.

Answer 4

Laber’s hereditary optic neuropathy.

Question 5

How are chloroplast genes inherited?

Answer 5

Inherited uniparently from the mom.

Question 6

According to the video Multiple Alleles (ABO Blood Types) and Punnett Squares, what happens if you try to give a B-antigen person (a) A-antigen, (b) AB-antigen, or (c) O-antigen blood?

Answer 6

B to A/AB will attack.
B to O will be okay.

Question 7

According to the video Multiple Alleles (ABO Blood Types) and Punnett Squares, what does it mean your blood is + or – ?

Answer 7

+ means to have an Rh factor
- means to not have an Rh factor