B5.3 Starter

4

Tick the traits that are genetically inherited

1

Humans have how many chromosomes?

1

Arrange from biggest to smallest

Nucleus
Chromosomes
DNA
Gene

1

Genes code for...

heterozygous

eyes

proteins

homozygous

1

Homozygous means

two of the same gene

two different genes

1

Heterozygous means

two of the same gene

two different genes

Nødvendig

5

Female humans release an ovum once every If fertilised, the embryo will develop into a . It takes months before the uterus muscles and the baby is born. After the baby is born, the cord connecting to the mother is cut.

1

How long is the average pregnancy in weeks?

40 days

40 weeks

35 weeks

1

What happens around day 14 of the menstrual cycle?

Ovulation

The menstrual cycle starts

the lining sheds

1

B5.3 Starter

Tick the traits that are genetically inherited

Humans have how many chromosomes?

Arrange from biggest to smallest

Genes code for...

Homozygous means

Heterozygous means

How long is the average pregnancy in weeks?

What happens around day 14 of the menstrual cycle?

What do we call the process where a seed develops into a new plant?

Tick the traits that are genetically inherited

Humans have how many chromosomes?

Arrange from biggest to smallest

Genes code for...

Homozygous means

Heterozygous means

How long is the average pregnancy in weeks?

What happens around day 14 of the menstrual cycle?

What do we call the process where a seed develops into a new plant?