Genetics

Question 1

IPMATC and describe what happens

Answer 1

Interphase, prophase, metaphase, anaphase, telophase, cytokinesis

Question 2

What is mitosis for

Answer 2

Growth and repair

Question 3

What is Heredity

Answer 3

Passing traits from parents to offspring

Question 4

what is a gene

Answer 4

A segment of DNA that carries information

Question 5

what is meiosis stages and describe

Answer 5

PMAT x2

Question 6

when is cell diploid or haploid during meiosis

Answer 6

diploid ->haploid ->haploid

Question 7

How is a tetrad formed

Answer 7

synapsis

Question 8

How and when does crossing over happen

Answer 8

During prophase 1, chromatids break at the end and swap places

Question 9

How and when does independent assortment occur

Answer 9

Metaphase 1 when tetrads line up randomly

Question 10

Mitosis v Meiosis

Answer 10

Meiosis produces gametes and has a very short interphase and ends with 4 haploid cells

Question 11

what are 2 main causes of chromosomal abnormalities

Answer 11

Nondisjunction - Don’t separate properly
Breakage - (Deletion, Duplication, Inversion, Translocation)

Question 12

2 Genetic testing ways

Answer 12

Amniocentesis, Chronic villus sampling

Question 13

What did Mendel discover

Answer 13

He discovered how traits are inherited through his pea plants

Question 14

Genotype v Phenotype

Answer 14

genotype - genetic makeup (Aa)
phenotype - physical appearance (Brown hair)

Question 15

Allele, Homozygous, Heterozygous

Answer 15

Allele - Pair of genes located at the same place of a homologous chromosome
Homozygous - HH or hh
Heterozygous - Hh

Question 16

Incomplete dominance

Answer 16

When two alleles are equally dominant (red + white = pink)

Question 17

Co-dominance

Answer 17

When the two alleles are both present (patchy)

Question 18

What is DNA

Answer 18

Stores and transmits your genetic information

Question 19

What is DNA made of

Answer 19

Nitrogen base, Pentose sugar, Phosphate group

Question 20

What are the DNA base pair ups

Answer 20

Adenine and Thymine. Guanine and Cytosine

Question 21

Who found DNA and the dilemma

Answer 21

Watson and Crick founded it but Rosalind Franklin was stolen from

Question 22

What does a pedigree show

Answer 22

a chart that traces the inheritance of a certain trait in a family

Question 23

Name the main pedigree symbols

Answer 23

Square - boy
circle - girl
colored in - affected