Download Heredity 1)Heredity is the ______ of the qualities that were passed

Heredity
1)Heredity is the ______ of the qualities that were passed from your
ancestors through your ______________ to you.
2)The qualities you inherit make you _____________.
3)Understanding the role of ________ can help you understand
yourself.
4)Heredity influences _____________ qualities and
_________________ development.
5)List some of the dominant features you exhibit (page 27).
6)List some of the recessive features you exhibit (page 27).
7) The science that studies heredity is called _________________.
8) Each human being begins life with ______ chromosomes from their
mother and _______ chromosomes from their _____________, so a
healthy human being has _______ total chromosomes. This genetic
blueprint exists in the _____________ of every cell in the body.
9) Chromosomes contain long, ladder type strands of DNA
(deoxyribonucleic acid) that carry genetic information. These are called
___________. A _________ is the most basic unit of heredity.
____________ determine our inherited characteristics or ___________.
10)Researches suggest there are 100,000 genes in ___________ beings.
11)____________ genes overrules a recessive gene.
12) ___________ genes show up when two of them are present.
13) DD – Dominant trait
rD - D dominates!
rr – recessive trait
14) Punnett Square: Invented by R.C. __________. Helps us see how
genes combine and what features are the result.
15) Punnett Square
r
D
r
D
16) Each offspring will have a _______ percent chance of inheriting
the characteristic indicated in each box.
17) The sex of a child is determined by the ______ _______________.
Females have_____ X chromosomes and Males have one_____ and one
______ chromosome. The mother has only x chromosomes! Males
pass either an ____ or _____ chromosome to the child which
determined the gender of the child.
18) _________________________ is affected by the genes you inherit
and other factors that foster brain development.
19) It is important to note that a “Use it or_________ it” rule seems to
be in force regarding brain development.
20)Some people are ______________ of hereditary diseases. They may
not have the disease but may pass the disease to their children. This
happens because the carrier has one ___________ gene carrying the
disease trait and one dominant gene carrying a healthy trait.