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sattari [20]
3 years ago
8

Please help me with all of these...

Biology
1 answer:
kap26 [50]3 years ago
3 0

not really familiar with all this but I think 1. Relative dating is where they estimate or relatively guess around how old it is so you could just put something like "an estimate of the age" or something

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Mr. jones has blood type b and mrs. jones has blood type ab. what is the probability that they will have a child with blood type
Finger [1]
Cross: Ib Ib  ×  Ia Ib

Offspring: IaIb , IbIb, IaIb, IbIb

ab = 50%
b = 50%
a = 0%

In short, Your Answer would be Option A) 0%

Hope this helps!
5 0
3 years ago
Read 2 more answers
1.True or false? Gametogenesis is the same as meiosis?
Lostsunrise [7]

1. False. They are similar, though.

meiosis- A kind of cell division involving having the chromosome number. It is responsible for genetic recombination.

Gametogenesis- It's the process when gametes or germ cells are produced in an organism. They undergo meiosis to form gametes.

2. Spermatogenesis- happens in the testes of males. 4 gametes are produced. Spermatogenesis involves a metamorphosis stage called spermiogenesis. Spermatogenesis produces small, motile spermatozoa

Oogenesis- takes place in the ovary in a female. 1 gamete produced. in oogenesis there is no metamorphosis stage. In oogenesis the ovum is spherical, and isn't motile and is bigger with more food reserves and cytoplasm.

3. Because The one egg cell that results from meiosis contains most of the cytoplasm, nutrients, and organelles.

3 0
3 years ago
- What structures appear in<br>the nucleus shortly before<br>cell division?​
Setler [38]

Answer:

chromosomes

Explanation:

4 0
3 years ago
Twin studies document similarities and differences between twins. When two _____ twins raised under very ______ circumstances di
Aneli [31]

Answer:

Twin studies document similarities and differences between twins. When two IDENTICAL twins raised under very DIFFERENT circumstances display similar personality traits, that suggests a strong GENETIC influence on personality. Critics of twin studies suggest that some documented similarities between twins are based on the fact that the twins are still the same age and may have some SIMILARITIES because of it.

Explanation:

It is not fully proved the genetic influence on the personality, and it is not the only factor wich modify the conduct.

It is stated that the personality is the result of a combination of different stimulus as genetic, socio-economic environment, parental education, upbringing rules, etc. Even the personal health can modify the personality.

3 0
3 years ago
What the type of solid materials are typically hard, have high melting pionts and poor electrical conductivities ?
kondaur [170]

Answer:

Ionic compounds

Explanation:

Ionic crystals are hard and brittle and have high melting points.

7 0
2 years ago
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