Heredity

Question 0

These are genes in a structure

Answer 0

Chromosomes

Question 1

The basic units of heredity, determines physical and mental characteristics and it’s greater than 2000.

Answer 1

Genes

Question 2

There are 46 chromosomes

Answer 2

23 chromosomes from sperm

23 chromosomes from ova

Question 3

There are 44 autosomes 2 sex chromosomes. How much is that in pairs?

Answer 3

22 autosomes pairs

1 sex chromosome pair

Question 4

If the sex is an infant the chromosomes are

Answer 4

XX

Question 5

If the infant is a male the sex chromosomes are

Answer 5

XY

Question 6

Who determines the sex of the baby?

Answer 6

The male does

Question 7

The chromosome contains what structures

Answer 7

Looks like an X
2 short arm
1 centromere
2 long arm

Question 8

Principles of genetic inheritance of disease are the same as these that govern genetic inheritance of other physical characteristics

Answer 8

Medelian inheritance

Question 9

Two like genes for a trait

Answer 9

Homozygous

Question 10

Unlike genes for a trait

Answer 10

Heterozygous

Question 11

Dominant in their actions over others

Answer 11

Dominant

Question 12

A gene that is not dominant

Answer 12

Recessive

Question 13

Who is always dominant?

Answer 13

Male

Question 14

A person with dominant gene for a disease is usually

Answer 14

Heterozygous

Question 15

If there is dominance pattern present there is usually a history of disorder where?

Answer 15

In the family

Question 16

Most autosomal recessive genes that make genetic disorders are inherited as recessive traits but do not occur unless how many genes for the disease are present?

Answer 16

2 genes