The Stages of Childbirth

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which phenomenon refers to the dramatic difference in phenotype when a gene is inherited from the mother or father? (inheritance / imprint)

  • Multiple-allele inheritance
  • Genomic imprinting (correct)
  • Incomplete dominance
  • Polygenic inheritance

Which type of inheritance does not follow the simple dominant-recessive pattern? incomplete doesnt equal simple

  • Incomplete dominance (correct)
  • Genomic imprinting
  • Multiple-allele inheritance
  • Polygenic inheritance

Which type of inheritance involves genes with more than two alternate forms?

  • Multiple-allele inheritance (correct)
  • Genomic imprinting
  • Polygenic inheritance
  • Incomplete dominance

Which type of inheritance involves the combined effects of many genes?

<p>Polygenic inheritance (C)</p> Signup and view all the answers

Which pair of chromosomes are responsible for determining gender (sex)?

<p>The 23rd pair (A)</p> Signup and view all the answers

What is the genetic composition of a female?

<p>XX (B)</p> Signup and view all the answers

What is the genetic composition of a male?

<p>XY (B)</p> Signup and view all the answers

What determines the gender (sex) of an offspring at fertilization?

<p>Presence or absence of an SRY gene (B)</p> Signup and view all the answers

What are traits that are inherited through the sex chromosomes called?

<p>Sex-linked or X-linked traits (A)</p> Signup and view all the answers

Where are genes for sex-linked traits located?

<p>On the X chromosomes (B)</p> Signup and view all the answers

During childbirth, which stage involves the complete dilation of the cervix?

<p>Dilation of the cervix (B)</p> Signup and view all the answers

What is the placental stage of childbirth?

<p>The time after delivery until the placenta is expelled (D)</p> Signup and view all the answers

What is genetics?

<p>The passage of hereditary traits from one generation to another (C)</p> Signup and view all the answers

How many pairs of chromosomes do human cells (except gametes) contain?

<p>23 pairs (B)</p> Signup and view all the answers

What are homologues?

<p>The two chromosomes in a pair that contain genes that control the same traits (A)</p> Signup and view all the answers

What is a mutation?

<p>A permanent heritable change in a gene that causes it to have a different effect than it had previously (A)</p> Signup and view all the answers

What is a genotype?

<p>The genetic makeup of an organism (C)</p> Signup and view all the answers

What do dominant genes do?

<p>Control a particular trait and also inhibit the expression of recessive genes (D)</p> Signup and view all the answers

What does it mean to be homozygous for a trait?

<p>To have the same genes on homologous chromosomes (A)</p> Signup and view all the answers

What are the physical traits expressed by an organism called?

<p>Phenotype (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

The Stages of Team Development
20 questions
The Stages of Learning in Sports
20 questions
Use Quizgecko on...
Browser
Browser