Biology Chapter 7 Sex

Front 1

The difference in physical appearance between males and females of some species such as ibexes and peacocks is know as_________.

Back 1

Sexual dimophism

Front 2

Female Reproductive organs responsible for egg production are ________ while in males, the organ responsible for sperm production are ________.

Back 2

Ovaries, Testes

Front 3

In the presence of estrogen, the internal female genitalia are formed from a set of tubes known as __________.

Back 3

Mullerian Ducts

Front 4

Despite being genetically XY, people with mutated genes for testosterone receptors develop as females, a condition known as __________.

Back 4

CAIS

Front 5

Steroid hormones are produced from a fatty precursor commonly found in the cell membranes known as __________.

Back 5

cholesterol

Front 6

An occurrence where paired chromosomes do not separate during meiosis and are both passes into the same gamete is known as ________.

Back 6

Nondisjunction

Front 7

Trisomy 21, a condition where an individual has three copies of chromosome 21 due to a nondisjunction event, is more commonly known as ___________.

Back 7

downs syndrome

Front 8

In Turner syndrome, as a result in an individual with the sex chromosome complementation of _____.

Back 8

XO

Front 9

In Kleinfelter syndrome, as a result of nondisjunction, and individual has a sex chromosome complementation of_______.

Back 9

XXY

Front 10

In crocodiles, sex determination is dependant upon incubation enviroment __________.

Back 10

Temperature

Front 11

The type of sequential sex determination where all organisms start life male and a breeding female is replaced by a male changing sex is known as ________.

Back 11

protandry