Genes, Inheritance & Selection B5

Question 1

What is the process by which asexual reproduction happens?

Answer 1

Mitosis

Question 2

Describe the process of mitosis.

Answer 2

Splitting of two cells to form two identical nuclei. Means that ‘offspring’s’ daughter cells will be identical.

Question 3

What is one advantage of sexual reproduction and one advantage of asexual reproduction?

Answer 3

Sexual - offspring becomes adapted
Asexual - only one organism needed to reproduce.

Question 4

What is a genome?

Answer 4

The entire genetic code of an organism

Question 5

What is a Gene?

Answer 5

portion of DNA that codes for protein.

Question 6

What is a genotype?

Answer 6

An organisms specific genetic coding (inside coding)

Question 7

What is a phenotype?

Answer 7

How DNA coding is expressed in physical characteristics.

Question 8

What is an Allele?

Answer 8

different versions of the same gene

Question 9

Which is the strongest allele? Dominant or recessive?

Answer 9

Dominant

Question 10

How can you calculate the probability of an inherited characteristic?

Answer 10

Using a punnet square, which has the big B and little b to calculate the probability of a dominant or recessive allele.

Question 11

What are homozygous and heterozygous alleles?

Answer 11

Homozygous - two of the same (bb or BB)
Heterozygous - two different (Bb or bB)