Genetics

Question 1

What is genetics the study of?

Answer 1

Heredity

Question 2

What are gametes?

Answer 2

individual heredity traits seperate in the reproductive cells

Question 3

What are normal body cells?

Answer 3

Diploids

Question 4

What are gametes also called?

Answer 4

Haploids

Question 5

What is the process by which gametes are created called?

Answer 5

Meiosis

Question 6

What is the number of chromsomes the female and male bring together?

Answer 6

23

Question 7

What is DNA?

Answer 7

the molecule that contains genetic information

Question 8

What is dna shaped like?

Answer 8

double helix

Question 9

What is a gene?

Answer 9

Defined unit of inheritance contained within the DNA of an individual

Question 10

How many alleles do each of us have?

Answer 10

Two

Question 11

In female the two sex chromosomes alike are designated as?

Answer 11

XX

Question 12

In male the two sex chromosomes alike are designated as?

Answer 12

XY

Question 13

what are alleles?

Answer 13

one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

Question 14

A person genotype is?

Answer 14

There genetic makeup

Question 15

What is a persons phenotype?

Answer 15

how her genese express themselves in physical appearance?

Question 16

What is a dominant trait?

Answer 16

is expressed if only one copy is present paired with a recessive trait

Question 17

What is a recessive trait?

Answer 17

only expressed if the offspring has two copies of that trait.