genetics 1

Question 1

Arrangement of chromosomes

Answer 1

length of chromosomes .. position of centromere ..banding pattern.

Question 2

Metacentric

Answer 2

centromere is in medium position.

Question 3

Submetacentric:

Answer 3

centromere is midway between the middle & the end of chromosome

Question 4

Acrocentric:

Answer 4

• centromere is near the end of the chromosome.

Question 5

1-3

Answer 5

large&raquo_space; metacentric / submetacentric A

Question 6

4 & 5

Answer 6

large..submetacentric B

Question 7

6-12 & X

Answer 7

medium»submetacentric C

Question 8

13-15

Answer 8

medium acrocentric D

ومعاهم 21 و 22 و Y

Question 9

16-18

Answer 9

short submetacentric E

Question 10

19-20

Answer 10

short metacentric F

معاهم بردو 1-3

Question 11

19-20

Answer 11

short metacentric F

معاهم بردو 1-3

Question 12

21 & 22 & Y

Answer 12

veryshort acrocentric G

13-15

Question 13

Genotype:

Answer 13

 Is the set of genes that the individual carries.

Question 14

Phenotype:

Answer 14

Phenotype:
 is the external appearance of the individual as determined by genotype; environmental
factors could have role (Geno-environmental disease).

Question 15

Phenotype:

Answer 15

Phenotype:
 is the external appearance of the individual as determined by genotype; environmental
factors could have role (Geno-environmental disease).

Question 16

Consanguinity:

Answer 16

It is the degree of relationship between the couples (inbreeding)