Genetic Inheritance

Question 1

Gene

Answer 1

A section of DNA which codes for a protein

Question 2

Allele

Answer 2

An alternative form of a gene

Question 3

Heredity

Answer 3

The passing on of traits by genes from one generation to the next

Question 4

Locus

Answer 4

The position of a gene on a chromosome

Question 5

Homozygous

Answer 5

An individual with different alleles, Bb

Question 6

Dominant

Answer 6

The characteristic that is expressed in the hetrozygous recessive condition

Question 7

Incomplete dominance

Answer 7

Neither allele masks the expression of the other

Question 8

Genotype

Answer 8

The genetic make-up of an organism

Question 9

Phenotype

Answer 9

The physical appearance of the organism. Genotype x environment

Question 10

rr

Answer 10

white

Question 10

RR

Answer 10

red

Question 11

Rr

Answer 11

red

Question 12

Monohybrid cross

Answer 12

Deals with just one trait

Question 13

What is Punits square

Answer 13

Punits square is a grid that helps identify f1 Genotypes

Question 14

What is the sex of an individual determined by

Answer 14

The sex chromosomes

Question 15

For an XY gene which holds more genes (X or Y) and why

Answer 15

X because of longer length

Question 16

What are genes found only one one of the chromosomes called

Answer 16

Sex linked

Question 17

Give an example of sex linked genes

Answer 17

Colour-blindness