Biology Reviewer

A gardener noticed that the offspring of his strawberry plants looked identical, while all of the flowering plants looked different. Which is likely true of the plants?

•  The strawberries reproduce asexually, while the flowering plants reproduce sexually.

• Both the strawberries and flowering plants reproduce sexually. 

• The strawberries reproduce sexually, while the flowering plants reproduce asexually.

• Both the strawberries and flowering plants reproduce asexually.

A form of vitamin D-resistant rickets, hypophosphatemia, is inherited as an X-linked dominant trait. If a male with hypophosphatemia marries a normal female, which predictions concerning their potential progeny would be true? 

•  All of their daughters would inherit the disease 

• All of their sons would inherit the

• About 50% of their sons would inherit the disease 

• About 50% of their daughters would inherit the disease 

What type of flower has both male and female parts within the flower structure?

Which of the following patterns occur when children of an affected woman have a 50% chance of inheriting the X-chromosome with mutant allele?

•  x-linked dominant

•  x-linked recessive

• autosomal recessive

• autosomal dominant

Which of the following is considered an X-linked recessive disorder?

• cystic fibrosis

• hemophilia A

• phenylketonuria

•  retinitis pigmentosa

Complete the statement: Humans contain 46 chromosomes having 23 pairs. It contains ___ somatic chromosomes and ___ sex chromosomes.

• 44, 2

• 42, 4

• 45, 1

•  43, 3

During the life of the cell, each chromosome of DNA makes a copy of itself. What process is being referred to?

Which of the following is NOT considered a nitrogenous base of DNA?

• thymine

• guanine

•  cytosine

•  uracil

True or False.      

Flowers are complete if they have all parts and perfect if they have both male and female parts. 

True or False

Pepo is a special berry with an interior divided by septa.