Quiz Pt 2

Question 1

What are the 2 chromosomal abnormalities 

Answer 1

Change in chromosome number & structure

Question 2

Why does chromosomal abnormalities happen?

Answer 2

Happens because of nondsjunction

Question 3

What is nondisjunction?

Answer 3

When homologous chromosomes or sister chromatids don’t separate properly during meiosis

Question 4

What can nondisjunction lead to?

Answer 4

Leads to monosomy or trisomy

Question 5

What does aneuploidy mean?

Answer 5

Abnormal chromosome number

Question 6

What stage of meiosis does nondisjunction happen in?

Answer 6

Happens in meiosis I or II

Question 7

What does polyploidy mean?

Answer 7

Means abnormal chromosome number

Question 8

What does ploidy mean

Answer 8

Means number of set

Question 9

How many sets of chromosome does something have if it polyploidy

Answer 9

It has multiple

Question 10

What cause a abnormal chromosome structure

Answer 10

Improper genetic material exchange during cross over

Question 11

What are the types of error

Answer 11

Deletion ( removing a segment of DNA), duplication ( adding a segment of dna), inversion ( flipping a part of dna), and translocation ( relocating a segment of dna)

Question 12

What does hereditary mean

Answer 12

Passing on traits to the off spring from the parents

Question 13

What is the blending theory?

Answer 13

Offspring will inherit trait from both of their parents like a mix of both of them

Question 14

What is P1

Answer 14

First crossing of genetic, aka the parent generation

Question 15

What is F1

Answer 15

The offspring, final offspring

Question 16

What is a model organism?

Answer 16

A well studied organism that helps us understand specific genetic processes

Question 17

Why did Mendel choice pea plants?

Answer 17

Because the are easy to grow, breed, control the pollen,observe Constantine traits and they mature quickly.

Question 18

What does genotype mean?

Answer 18

Is a specific allele combination

Question 19

What is a phenotype?

Answer 19

The physical traits

Question 20

What is homozygous?

Answer 20

Has the same alleles

Question 21

What is heterozygous?

Answer 21

Has a mix of 2 different alleles

Question 22

What is the law of segregation?

Answer 22

Gametes get 1 random gene copy to pass onto the the offspring

Question 23

What is the principle of dominance?

Answer 23

Dominant allele mask the recessive

Question 24

What is the law of independent assortment?

Question 25

What is mendels ratio?

Answer 25

9 dominator both traits,
3 dominant for trait 1, recessive for trait 2,
3 recessive for trait 1, dominant for trait 2
• 1 recessive forms for both traits

Question 26

What is chromosome theory of inheritance?

Answer 26

1. Individualgenesarefoundatspecificlocations
   on chromosomes.
2. Behaviour of chromosomes during meiosis explain Mendel’s observed law of segregation and law of independent assortment.