Gametes, Genes and Alleles

Question 1

Gamete

Answer 1

sex cell

Question 2

fertilisation

Answer 2

when 2 gametes fuse to create a diploid. The diploid cell goes through mitosis and becomes an embryo. Over time, the embryonic cell begins to differentiate to create vital organs

Question 3

nucleotide consists of

Answer 3

phosphate group
nitrogenous base
pentose sugar

Question 4

4 bases of dna

Answer 4

a
t
c
g
they make a double helix structure

Question 5

bonds between bases

Answer 5

hydrogen bonds

Question 6

dominant allele

Answer 6

the allele that will override the recessive allele, resulting in the dominant alleles phenotype

Question 7

recessive allele

Answer 7

the allele that is overridden by the dominant allele and has no effect over the dominant allele

Question 8

homozygous

Answer 8

AA or aa

Question 9

hetrozygous

Answer 9

Aa

Question 10

genotype

Answer 10

the alleles for a certain characteristic that are found in an organism

Question 11

phenotype

Answer 11

visible characteristics produced by a certain set of alleles

Question 12

zygote

Answer 12

fertilised egg cell

Question 13

type of haploid cell

Answer 13

gamete

Question 14

haploid

Answer 14

have half the number of chromosomes
2 haploids make a diploid

Question 15

what is a genetic disease

Answer 15

a disease that is inherited