Category B- Breeding, Genetics, Reproduction

Question 1

Genetics is used for certain Equine Activities such as

Answer 1

Horse Racing, Reining, Cutting, Dressage

REF: HS 505-1

Question 2

Horse Genetics is used effectively for

Answer 2

Coat Color

REF: HS 505-1

Question 3

Genetic material is stored in Nucleus, DNA, Chromosomes, ______, ______.

Answer 3

Gene, Locus (loci plural)

REF: HS 505-1

Question 4

How many pair of Chromosomes are found in a horse?

Answer 4

32

REF: HS 505-1

Question 5

TWO PART QUESTION: Of the 32 chromosomes in the horse, how many chromosomes are
somatic and how many are sex chromosomes?

Answer 5

31 somatic, 1 sex

REF: HS 505-1

Question 6

TWO PART QUESTION: Give another general term for sex cells and indicate in what specific structures within the ovary and the testes they are found

Answer 6

Gamates, Eggs, sperm

REF: HS 505-2

Question 7

What term is used to refer to a horse’s genetic blueprint?

Answer 7

Genotype

REF: HS 505-2

Question 8

What is phenotype?

Answer 8

Appearance of the horse

REF: HS 505-2

Question 9

What is the definition of diploid?

Answer 9

Entire set of chromosomes located in Somatic (Body) cells. 2N= 64

REF: HS 505-2

Question 10

TWO PART QUESTION: What is the definition of haploid and what is the haploid chromosome number in horses?

Answer 10

Half the number of Chromosomes located in the Sex cells (Egg and Sperm). N=23

REF: HS 505-2

Question 11

What does the general term Ploidy mean?

Answer 11

Either haploid or diploid

REF: HS 505-2