2.3 Reproduction And Inheritance

Question 1

How many Chromosomes are in a Haploid Cell

Answer 1

23

Question 2

How many Chromosomes are in a diploid Cell

Answer 2

46

Question 3

What do you call characteristics that fall into distinct categories

Answer 3

Discrete variation

Question 4

What is discrete variation controlled by

Answer 4

A single pair of genes, one from the mother and one from the father

Question 5

What do you call characteristics which show a range of differences between extremes

Answer 5

Continuous variation

Question 6

What is continuous variation controlled by

Answer 6

It is controlled by more than one pair of genes and is know as POLYGENIC INHERITANCE

Question 7

What is a gene

Answer 7

A gene is a piece of information found in DNA and controls a particular characteristic

Question 8

What’s the name of the different form of gene

Answer 8

Alleles

Question 9

What is the appearance of an organism called

Answer 9

A phenotype

Question 10

What is the alleles an organism possesses called

Answer 10

A genotype

Question 11

Name the two alleles

Answer 11

Dominant and Recessive

Question 12

What does Homozygous mean

Answer 12

It means the same

Question 13

What does Heterozygous mean

Answer 13

It means different