genetics

Question 1

what is a karotype

Answer 1

the number and visual appearance of the chromosomes in the cell nuclei of an organism or species.

Question 2

what does DNA a pair with

Answer 2

T

Question 3

what does DNA C pair with

Answer 3

G

Question 4

in RNA what does A pair with

Answer 4

U

Question 5

what is a genome

Answer 5

the total DNA sequence- exons=coding parts and introns=non coding parts.

Question 6

how many genes does nuclear DNA have

Answer 6

20,000

Question 7

how many genes do mitochondrial DNA have

Answer 7

37

Question 8

what makes up all the proteins in the body

Answer 8

20 amino acids

Question 9

what is the base thyamine replaced by in RNA. What then pairs with it.

Answer 9

Uracil. Adenine then pairs with Uracil.

Question 10

what is genetics

Answer 10

the study of genes and hereditry

Question 11

what is genomics

Answer 11

the study of the entire genome

Question 12

what is proteomics

Answer 12

the study of proteins, their functions and pathways within the body

Question 13

what is oogenesis

Answer 13

the production or development of an ovum

Question 14

what is spermatogenesis

Answer 14

production of sperm

Question 15

what type of division is meiosis 1 and 2

Answer 15

meiosis 1= reduction division

meisos 2= equatorial division

Question 16

what are the processes that develop gametes

Answer 16

meiosis, interphase, cytokinesis

Question 17

how is a zygote developed

Answer 17

by process of mitosis. 46xx or 46 xy.

Question 18

what is automsomal dominant

Answer 18

where somebody can inherit a condition from only one parent

Question 19

what is penetrance

Answer 19

the chance someone may inherit a condition

Question 20

what is autosomal recessive

Answer 20

where two copies of the abnormal gene must be present.