The correct answer is A. Lemurs
Explanation:
In biology, a primate is a taxonomic order of mammals that originated around 85 million years ago as animals that lived in trees and derived into multiple species including lemurs, humans, apes, monkeys, gorillas, etc. Additionally, primates as a taxonomic order divide into two suborders prosimians and anthropoids. The first group of primates is mostly nocturnal, small and also they have a smaller brain, this includes primates such as lemurs and tarsiers. On the other hand, anthropoids have a bigger brain and size and also have more advanced cognitive abilities this includes gorillas, monkeys, apes, and even humans. Considering this, the on that is not an anthropoid but prosimians are the Lemurs.
I suppose it's a zygote. In haplontic life cycle haploid gametes fuse together creating the zygote (diploid) that promptly divides meiotically creating 4 haplontic cells serving as spores.
Question in English:
A female carries a recessive lethal gene (l) on one of her X chromosomes, and a normal dominant allele (L) on the other. What is the sex ratio to be expected in this woman's dependency if she marries a normal man?
Answer:
2/3 females
1/3 males
Explanation:
Females have two X chromosomes (XX) and males have an X and a Y chromosome (XY).
The genotype of the female is XLXl. The genotype of the male is XLY, since he is normal.
The possible genotypes are:
<u> XL Xl</u>
<u>XL</u> <em>XLXL XLXl</em>
<u>Y</u> <em>XLY </em><em>XlY</em>
<em />
All female offspring will be normal as they will always have one normal copy of the X chromosome from their father.
50% of the male offspring will be normal, but 50% will inherit the lethal gene from their mother.
Because the allele is lethal, that means XlY males will not be born.
That means 2/3 of the children will be females, and 1/3 will be males.
Answer: C
The substance that must come through the cell membrane for the cell to live is nutrients. Cells would die if they did not get nutrients. Nutrients are what keeps the cell running.
<span>How can a mutation in a DNA base sequence cause a change in a trait?</span>
